diff --git a/AdvancedDLSupport.Tests/Data/Interfaces/ISymbolTransformationTests2.cs b/AdvancedDLSupport.Tests/Data/Interfaces/ISymbolTransformationTests2.cs
new file mode 100644
index 00000000..b138f018
--- /dev/null
+++ b/AdvancedDLSupport.Tests/Data/Interfaces/ISymbolTransformationTests2.cs
@@ -0,0 +1,31 @@
+//
+//  ISymbolTransformationTests2.cs
+//
+//  Copyright (c) 2018 Firwood Software
+//
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU Lesser General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU Lesser General Public License for more details.
+//
+//  You should have received a copy of the GNU Lesser General Public License
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
+using static AdvancedDLSupport.SymbolTransformationMethod;
+
+#pragma warning disable SA1600, CS1591
+
+namespace AdvancedDLSupport.Tests.Data
+{
+    [NativeSymbols(Prefix = "abCeD_cDEfDdaDfjc_zDDdDdf_", SymbolTransformationMethod = Pascalize)]
+    public interface ISymbolTransformationTests2
+    {
+        int TestCode(int a, int b);
+    }
+}
diff --git a/AdvancedDLSupport.Tests/Data/Interfaces/ISymbolTransformationTests3.cs b/AdvancedDLSupport.Tests/Data/Interfaces/ISymbolTransformationTests3.cs
new file mode 100644
index 00000000..2a8082a4
--- /dev/null
+++ b/AdvancedDLSupport.Tests/Data/Interfaces/ISymbolTransformationTests3.cs
@@ -0,0 +1,31 @@
+//
+//  ISymbolTransformationTests3.cs
+//
+//  Copyright (c) 2018 Firwood Software
+//
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU Lesser General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU Lesser General Public License for more details.
+//
+//  You should have received a copy of the GNU Lesser General Public License
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
+using static AdvancedDLSupport.SymbolTransformationMethod;
+
+#pragma warning disable SA1600, CS1591
+
+namespace AdvancedDLSupport.Tests.Data
+{
+    [NativeSymbols(Prefix = "abCeD_cDEfDdaDfjc_zDDdDdf_", SymbolTransformationMethod = Camelize)]
+    public interface ISymbolTransformationTests3
+    {
+        int TestCode(int a, int b);
+    }
+}
diff --git a/AdvancedDLSupport.Tests/Data/Interfaces/ISymbolTransformationTests4.cs b/AdvancedDLSupport.Tests/Data/Interfaces/ISymbolTransformationTests4.cs
new file mode 100644
index 00000000..2c2efbd9
--- /dev/null
+++ b/AdvancedDLSupport.Tests/Data/Interfaces/ISymbolTransformationTests4.cs
@@ -0,0 +1,31 @@
+//
+//  ISymbolTransformationTests4.cs
+//
+//  Copyright (c) 2018 Firwood Software
+//
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU Lesser General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU Lesser General Public License for more details.
+//
+//  You should have received a copy of the GNU Lesser General Public License
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
+using static AdvancedDLSupport.SymbolTransformationMethod;
+
+#pragma warning disable SA1600, CS1591
+
+namespace AdvancedDLSupport.Tests.Data
+{
+    [NativeSymbols(Prefix = "abCeD_CDEfDdaDfjc_ZDDdDdf", SymbolTransformationMethod = Underscore)]
+    public interface ISymbolTransformationTests4
+    {
+        int TestCode(int a, int b);
+    }
+}
diff --git a/AdvancedDLSupport.Tests/Tests/Integration/SymbolTransformationTests2.cs b/AdvancedDLSupport.Tests/Tests/Integration/SymbolTransformationTests2.cs
new file mode 100644
index 00000000..18eded9b
--- /dev/null
+++ b/AdvancedDLSupport.Tests/Tests/Integration/SymbolTransformationTests2.cs
@@ -0,0 +1,46 @@
+//
+//  SymbolTransformationTests2.cs
+//
+//  Copyright (c) 2018 Firwood Software
+//
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU Lesser General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU Lesser General Public License for more details.
+//
+//  You should have received a copy of the GNU Lesser General Public License
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
+using AdvancedDLSupport.Tests.Data;
+using AdvancedDLSupport.Tests.TestBases;
+using Xunit;
+
+#pragma warning disable SA1600, CS1591
+
+namespace AdvancedDLSupport.Tests.Integration
+{
+    public class SymbolTransformationTests2 : LibraryTestBase<ISymbolTransformationTests2>
+    {
+        private const string LibraryName = "SymbolTransformationTests2";
+
+        public SymbolTransformationTests2()
+            : base(LibraryName)
+        {
+        }
+
+        [Fact]
+        public void CanPascalizeString()
+        {
+            var expected = 5 * 5;
+            var actual = Library.TestCode(5, 5);
+
+            Assert.Equal(expected, actual);
+        }
+    }
+}
diff --git a/AdvancedDLSupport.Tests/Tests/Integration/SymbolTransformationTests3.cs b/AdvancedDLSupport.Tests/Tests/Integration/SymbolTransformationTests3.cs
new file mode 100644
index 00000000..88e334df
--- /dev/null
+++ b/AdvancedDLSupport.Tests/Tests/Integration/SymbolTransformationTests3.cs
@@ -0,0 +1,46 @@
+//
+//  SymbolTransformationTests3.cs
+//
+//  Copyright (c) 2018 Firwood Software
+//
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU Lesser General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU Lesser General Public License for more details.
+//
+//  You should have received a copy of the GNU Lesser General Public License
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
+using AdvancedDLSupport.Tests.Data;
+using AdvancedDLSupport.Tests.TestBases;
+using Xunit;
+
+#pragma warning disable SA1600, CS1591
+
+namespace AdvancedDLSupport.Tests.Integration
+{
+    public class SymbolTransformationTests3 : LibraryTestBase<ISymbolTransformationTests3>
+    {
+        private const string LibraryName = "SymbolTransformationTests3";
+
+        public SymbolTransformationTests3()
+            : base(LibraryName)
+        {
+        }
+
+        [Fact]
+        public void CanCamelizeString()
+        {
+            var expected = 5 * 5;
+            var actual = Library.TestCode(5, 5);
+
+            Assert.Equal(expected, actual);
+        }
+    }
+}
diff --git a/AdvancedDLSupport.Tests/Tests/Integration/SymbolTransformationTests4.cs b/AdvancedDLSupport.Tests/Tests/Integration/SymbolTransformationTests4.cs
new file mode 100644
index 00000000..f7239a0d
--- /dev/null
+++ b/AdvancedDLSupport.Tests/Tests/Integration/SymbolTransformationTests4.cs
@@ -0,0 +1,46 @@
+//
+//  SymbolTransformationTests4.cs
+//
+//  Copyright (c) 2018 Firwood Software
+//
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU Lesser General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU Lesser General Public License for more details.
+//
+//  You should have received a copy of the GNU Lesser General Public License
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
+using AdvancedDLSupport.Tests.Data;
+using AdvancedDLSupport.Tests.TestBases;
+using Xunit;
+
+#pragma warning disable SA1600, CS1591
+
+namespace AdvancedDLSupport.Tests.Integration
+{
+    public class SymbolTransformationTests4 : LibraryTestBase<ISymbolTransformationTests4>
+    {
+        private const string LibraryName = "SymbolTransformationTests4";
+
+        public SymbolTransformationTests4()
+            : base(LibraryName)
+        {
+        }
+
+        [Fact]
+        public void CanUnderscoreString()
+        {
+            var expected = 5 * 5;
+            var actual = Library.TestCode(5, 5);
+
+            Assert.Equal(expected, actual);
+        }
+    }
+}
diff --git a/AdvancedDLSupport.Tests/c/CMakeLists.txt b/AdvancedDLSupport.Tests/c/CMakeLists.txt
index 78346d6c..60d95e35 100644
--- a/AdvancedDLSupport.Tests/c/CMakeLists.txt
+++ b/AdvancedDLSupport.Tests/c/CMakeLists.txt
@@ -39,6 +39,9 @@ list(
         IndirectCallTests
         NameManglingTests
         SymbolTransformationTests
+        SymbolTransformationTests2
+        SymbolTransformationTests3
+        SymbolTransformationTests4
         GenericDelegateTests
         BooleanMarshallingTests
         SpanMarshallingTests
diff --git a/AdvancedDLSupport.Tests/c/src/SymbolTransformationTests2.c b/AdvancedDLSupport.Tests/c/src/SymbolTransformationTests2.c
new file mode 100644
index 00000000..73b24383
--- /dev/null
+++ b/AdvancedDLSupport.Tests/c/src/SymbolTransformationTests2.c
@@ -0,0 +1,7 @@
+#include <stdlib.h>
+#include "comp.h"
+
+__declspec(dllexport) int32_t AbCeD_CDEfDdaDfjc_ZDDdDdf_TestCode(int32_t a, int32_t b)
+{
+    return a * b;
+}
diff --git a/AdvancedDLSupport.Tests/c/src/SymbolTransformationTests3.c b/AdvancedDLSupport.Tests/c/src/SymbolTransformationTests3.c
new file mode 100644
index 00000000..bdcec307
--- /dev/null
+++ b/AdvancedDLSupport.Tests/c/src/SymbolTransformationTests3.c
@@ -0,0 +1,7 @@
+#include <stdlib.h>
+#include "comp.h"
+
+__declspec(dllexport) int32_t abCeD_CDEfDdaDfjc_ZDDdDdf_TestCode(int32_t a, int32_t b)
+{
+    return a * b;
+}
diff --git a/AdvancedDLSupport.Tests/c/src/SymbolTransformationTests4.c b/AdvancedDLSupport.Tests/c/src/SymbolTransformationTests4.c
new file mode 100644
index 00000000..0acfb960
--- /dev/null
+++ b/AdvancedDLSupport.Tests/c/src/SymbolTransformationTests4.c
@@ -0,0 +1,7 @@
+#include <stdlib.h>
+#include "comp.h"
+
+__declspec(dllexport) int32_t ab_ce_d_cd_ef_dda_dfjc_zd_dd_ddf_test_code(int32_t a, int32_t b)
+{
+    return a * b;
+}
diff --git a/AdvancedDLSupport/AdvancedDLSupport.csproj b/AdvancedDLSupport/AdvancedDLSupport.csproj
index a38356ad..cdf03612 100644
--- a/AdvancedDLSupport/AdvancedDLSupport.csproj
+++ b/AdvancedDLSupport/AdvancedDLSupport.csproj
@@ -36,7 +36,6 @@
     <PackageReference Include="System.ValueTuple" Version="4.4.0" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="Humanizer.Core" Version="2.5.16" PrivateAssets="Compile;Build;Analyzers;ContentFiles" />
     <PackageReference Include="StrictEmit" Version="2.4.2" PrivateAssets="Compile;Build;Analyzers;ContentFiles" />
   </ItemGroup>
   <ItemGroup>
diff --git a/AdvancedDLSupport/SymbolTransformation/SymbolTransformer.cs b/AdvancedDLSupport/SymbolTransformation/SymbolTransformer.cs
index 6cbace31..0eb1b203 100644
--- a/AdvancedDLSupport/SymbolTransformation/SymbolTransformer.cs
+++ b/AdvancedDLSupport/SymbolTransformation/SymbolTransformer.cs
@@ -1,4 +1,4 @@
-//
+//
 //  SymbolTransformer.cs
 //
 //  Copyright (c) 2018 Firwood Software
@@ -20,8 +20,8 @@
 using System;
 using System.Linq;
 using System.Reflection;
+using System.Text;
 using AdvancedDLSupport.Reflection;
-using Humanizer;
 using JetBrains.Annotations;
 using static AdvancedDLSupport.SymbolTransformationMethod;
 
@@ -121,23 +121,70 @@ private string Transform
                 }
                 case Pascalize:
                 {
-                    return concatenated.Pascalize();
+                    var pascalized = new StringBuilder(concatenated);
+                    for (var i = 1; i < pascalized.Length; ++i)
+                    {
+                        var previousCharacter = pascalized[i - 1];
+                        if (previousCharacter == '_' ||
+                            previousCharacter == ' ')
+                        {
+                            pascalized[i] = char.ToUpper(pascalized[i]);
+                        }
+                    }
+
+                    pascalized[0] = char.ToUpper(pascalized[0]);
+                    return pascalized.ToString();
                 }
                 case Camelize:
                 {
-                    return concatenated.Camelize();
+                    var camelized = new StringBuilder(concatenated);
+                    for (var i = 1; i < camelized.Length; ++i)
+                    {
+                        var previousCharacter = camelized[i - 1];
+                        if (previousCharacter == '_' ||
+                            previousCharacter == ' ')
+                        {
+                            camelized[i] = char.ToUpper(camelized[i]);
+                        }
+                    }
+
+                    camelized[0] = char.ToLower(camelized[0]);
+                    return camelized.ToString();
                 }
                 case Underscore:
                 {
-                    return concatenated.Underscore();
-                }
-                case Dasherize:
-                {
-                    return concatenated.Dasherize();
+                    var underscore = new StringBuilder(concatenated);
+                    for (var i = 1; i < underscore.Length; ++i)
+                    {
+                        var previousCharacter = underscore[i - 1];
+                        char? nextCharacter = null;
+                        if (underscore.Length > i + 1)
+                        {
+                            nextCharacter = underscore[i + 1];
+                        }
+
+                        // ReSharper disable once SA1028
+                        if (nextCharacter.HasValue &&
+                            char.IsUpper(previousCharacter) &&
+                            char.IsUpper(underscore[i]) &&
+                            char.IsLower(nextCharacter.Value))
+                        {
+                            underscore.Insert(i, "_");
+                        }
+                        else if (char.IsLower(previousCharacter) && char.IsUpper(underscore[i]))
+                        {
+                            underscore.Insert(i, "_");
+                        }
+                    }
+
+                    underscore.Replace("-", "_");
+
+                    return underscore.ToString().ToLower();
                 }
                 case Kebaberize:
+                case Dasherize:
                 {
-                    return concatenated.Kebaberize();
+                    return concatenated.Replace("_", "-");
                 }
                 default:
                 {