diff --git a/src/main/java/de/dhbwstuttgart/intermediate/generation/FunN.java b/src/main/java/de/dhbwstuttgart/intermediate/generation/FunN.java
new file mode 100644
index 00000000..fc55efcb
--- /dev/null
+++ b/src/main/java/de/dhbwstuttgart/intermediate/generation/FunN.java
@@ -0,0 +1,69 @@
+package de.dhbwstuttgart.intermediate.generation;
+
+import de.dhbwstuttgart.intermediate.types.IntermediateRefType;
+import de.dhbwstuttgart.intermediate.types.IntermediateType;
+import de.dhbwstuttgart.parser.scope.JavaClassName;
+
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+/**
+ * Class which represents a function type.
+ * Offers different methods to generate or interact with this real function type.
+ *
+ * @since Studienarbeit Type Erasure
+ * @author etiennezink
+ */
+public final class FunN extends IntermediateRefType {
+
+    /**
+     * Caches the bytecode after first computation.
+     */
+    private byte[] bytecode;
+
+    /**
+     * Caches the superBytecode after first computation.
+     */
+    private byte[] superBytecode;
+
+    public FunN(List<IntermediateType> typArguments, IntermediateType returnType) {
+        super(new JavaClassName(
+                String.format("Fun%d$$%s%s",
+                        typArguments.size(),
+                        typArguments
+                                .stream()
+                                .map(IntermediateType::getSignature)
+                                .collect(Collectors.joining()),
+                        returnType.getSignature())
+                        .replace('/', '$')
+                        .replace(";", "$_$")),
+                Stream.concat(typArguments.stream(), Stream.of(returnType)).collect(Collectors.toList()));
+    }
+
+    /**
+     * @return the bytecode for the super FunN type
+     */
+    public byte[] getSuperBytecode(){
+        byte[] superBytecode = this.superBytecode;
+        if (superBytecode == null){
+            //ToDo
+            this.superBytecode = superBytecode;
+        }
+        return superBytecode;
+    }
+
+    /**
+     * Generates the bytecode for this FunN type.
+     * Make sure to generate the bytecode for the super FunN as well.
+     * @return the bytecode for this explicit FunN type
+     */
+    public byte[] getBytecode(){
+        byte[] bytecode = this.bytecode;
+        if (bytecode == null){
+            //ToDo
+            this.bytecode = bytecode;
+        }
+        return bytecode;
+    }
+}
diff --git a/src/main/java/de/dhbwstuttgart/intermediate/types/IntermediateRefType.java b/src/main/java/de/dhbwstuttgart/intermediate/types/IntermediateRefType.java
index 8c3c541f..eea0ff80 100644
--- a/src/main/java/de/dhbwstuttgart/intermediate/types/IntermediateRefType.java
+++ b/src/main/java/de/dhbwstuttgart/intermediate/types/IntermediateRefType.java
@@ -11,9 +11,9 @@ import java.util.List;
  * @since Studienarbeit Type Erasure
  * @author etiennezink
  */
-public final class IntermediateRefType extends IntermediateInnerType{
+public class IntermediateRefType extends IntermediateInnerType{
 
-    private final List<IntermediateType> typParameters;
+    private final List<IntermediateType> typArguments;
     private final JavaClassName className;
 
     /**
@@ -35,9 +35,9 @@ public final class IntermediateRefType extends IntermediateInnerType{
         this(className, new ArrayList<>());
     }
 
-    public IntermediateRefType(JavaClassName className, List<IntermediateType> typParameters){
+    public IntermediateRefType(JavaClassName className, List<IntermediateType> typArguments){
         this.className = className;
-        this.typParameters = Collections.unmodifiableList(typParameters);
+        this.typArguments = Collections.unmodifiableList(typArguments);
     }
 
     @Override
@@ -47,8 +47,8 @@ public final class IntermediateRefType extends IntermediateInnerType{
         IntermediateRefType intermediateRefType = (IntermediateRefType) o;
         if(!getFullyQualifiedName().equals(intermediateRefType.getFullyQualifiedName())) return false;
 
-        for(int index = 0; index < typParameters.size(); index++){
-            if(!typParameters.get(index).equals(intermediateRefType.typParameters.get(index))) return false;
+        for(int index = 0; index < typArguments.size(); index++){
+            if(!typArguments.get(index).equals(intermediateRefType.typArguments.get(index))) return false;
         }
         return true;
     }
@@ -59,8 +59,8 @@ public final class IntermediateRefType extends IntermediateInnerType{
         int hashCode = this.hashCode;
         if (hashCode == 0){
             hashCode += getFullyQualifiedName().hashCode();
-            for (IntermediateType typeParameter:typParameters) {
-                hashCode = prime * hashCode + typeParameter.hashCode();
+            for (IntermediateType typeArgument: typArguments) {
+                hashCode = prime * hashCode + typeArgument.hashCode();
             }
             this.hashCode = hashCode;
         }
@@ -75,10 +75,10 @@ public final class IntermediateRefType extends IntermediateInnerType{
         if (className.getClassName().equals("void")) signature = "V";
         else {
             signature += String.format("L%s", getFullyQualifiedName());
-            if (typParameters.size() != 0){
+            if (typArguments.size() != 0){
                 signature += "<";
-                for (IntermediateType typParameter:typParameters) {
-                    signature += typParameter.getSignature();
+                for (IntermediateType typArgument: typArguments) {
+                    signature += typArgument.getSignature();
                 }
                 signature += ">";
             }
@@ -98,17 +98,17 @@ public final class IntermediateRefType extends IntermediateInnerType{
         return descriptor;
     }
 
-    public boolean isParametrized() { return typParameters.size() > 0; }
+    public boolean isParametrized() { return typArguments.size() > 0; }
 
-    public int getTypParameterSize(){ return typParameters.size(); }
+    public int getTypParameterSize(){ return typArguments.size(); }
 
     /**
      * @param index
      * @return the typ parameter at {@code index} or {@code null}, iff {@code |typ parameters| < index}
      */
     public IntermediateType getTypParameter(int index) {
-        if(typParameters.size() < index) return null;
-        return typParameters.get(index);
+        if(typArguments.size() < index) return null;
+        return typArguments.get(index);
     }
 
     private String getFullyQualifiedName(){ return className.toString(); }
diff --git a/src/main/java/de/dhbwstuttgart/intermediate/types/IntermediateWildcard.java b/src/main/java/de/dhbwstuttgart/intermediate/types/IntermediateWildcard.java
index 28972776..92020d10 100644
--- a/src/main/java/de/dhbwstuttgart/intermediate/types/IntermediateWildcard.java
+++ b/src/main/java/de/dhbwstuttgart/intermediate/types/IntermediateWildcard.java
@@ -6,7 +6,7 @@ package de.dhbwstuttgart.intermediate.types;
  * @since Studienarbeit Type Erasure
  * @author etiennezink
  */
-public class IntermediateWildcard extends IntermediateType{
+public final class IntermediateWildcard extends IntermediateType{
 
     /**
      * Caches the hashCode after first computation.
diff --git a/src/test/java/intermediate/generation/FunNTest.java b/src/test/java/intermediate/generation/FunNTest.java
new file mode 100644
index 00000000..c244ae5a
--- /dev/null
+++ b/src/test/java/intermediate/generation/FunNTest.java
@@ -0,0 +1,35 @@
+package intermediate.generation;
+
+import de.dhbwstuttgart.intermediate.generation.FunN;
+import de.dhbwstuttgart.intermediate.types.IntermediateRefType;
+import de.dhbwstuttgart.parser.scope.JavaClassName;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.objectweb.asm.Type;
+
+import java.util.Arrays;
+
+import static org.junit.Assert.assertEquals;
+
+public class FunNTest {
+    private static String fun1IntIntSignature;
+    private static String fun1IntIntDescriptor;
+    private static FunN fun1IntInt;
+
+    //ToDo mehr Tests und Bytecode Tests
+
+    @BeforeClass
+    public static void SetUp(){
+        IntermediateRefType integer = new IntermediateRefType(new JavaClassName(Type.getInternalName(Integer.class)));
+
+        fun1IntIntSignature = "LFun1$$Ljava$lang$Integer$_$Ljava$lang$Integer$_$<Ljava/lang/Integer;Ljava/lang/Integer;>;";
+        fun1IntIntDescriptor = "LFun1$$Ljava$lang$Integer$_$Ljava$lang$Integer$_$;";
+        fun1IntInt = new FunN(Arrays.asList(integer), integer);
+    }
+
+    @Test
+    public void SignatureTest_Fun1IntegerInteger(){ assertEquals(fun1IntIntSignature, fun1IntInt.getSignature()); }
+
+    @Test
+    public void DescriptorTest_Fun1IntegerInteger(){ assertEquals(fun1IntIntDescriptor, fun1IntInt.getDescriptor()); }
+}