diff --git a/hscript/Tools.hx b/hscript/Tools.hx
index a34902b..82ca423 100644
--- a/hscript/Tools.hx
+++ b/hscript/Tools.hx
@@ -163,6 +163,14 @@ class Tools {
 		#end
 	}
 
+	public static function getClassDeclFields(classDecl:hscript.Expr.ClassDecl, onlyStatic:Bool = false):Array<FieldDecl> {
+		var fields = classDecl.fields.filter(function(field:FieldDecl) {
+			var isStatic = field.access.contains(AStatic);
+			return onlyStatic ? isStatic : !isStatic;
+		});
+		return fields;
+	}
+
 }
 
 /**
diff --git a/hscript/customclass/CustomClass.hx b/hscript/customclass/CustomClass.hx
index f1d8d00..aa36720 100644
--- a/hscript/customclass/CustomClass.hx
+++ b/hscript/customclass/CustomClass.hx
@@ -11,6 +11,8 @@ using Lambda;
 using StringTools;
 
 /**
+ * The Custom Class core.
+ * 
  * Provides handlers for custom classes.
  * Based on Polymod Hscript class system
  * @see https://github.com/larsiusprime/polymod/tree/master/polymod/hscript/_internal
@@ -23,6 +25,15 @@ class CustomClass implements IHScriptCustomAccessBehaviour {
 	public var superConstructor(default, null):Dynamic;
 
 	public var className(get, never):String;
+	private function get_className():String {
+		// TODO: simplify this
+		var name = "";
+		if (__class.pkg != null) {
+			name += __class.pkg.join(".");
+		}
+		name += __class.classDecl.name;
+		return name;
+	}
 
 	private var __class:CustomClassDecl;
 	private var _cachedSuperFields:Null<Map<String, Dynamic>> = null;
@@ -33,16 +44,7 @@ class CustomClass implements IHScriptCustomAccessBehaviour {
 
 	public var __allowSetGet:Bool = true;
 
-	private function get_className():String {
-		var name = "";
-		if (__class.pkg != null) {
-			name += __class.pkg.join(".");
-		}
-		name += __class.classDecl.name;
-		return name;
-	}
-
-	public function new(__class:CustomClassDecl, args:Array<Dynamic>, ?extendFieldDecl:Map<String, Dynamic>, ?ogInterp:Interp) {
+	public function new(__class:CustomClassDecl, args:Array<Dynamic>, ?extendFieldDecl:Map<String, Dynamic>, ?ogInterp:Interp, ?callNew:Bool = true) {
 		this.__class = __class;
 		this.interp = new Interp(this);
 
@@ -61,7 +63,7 @@ class CustomClass implements IHScriptCustomAccessBehaviour {
 
 		buildClass();
 
-		if (hasFunction('new')) {
+		if (hasFunction('new') && callNew) {
 			buildSuperConstructor();
 			callFunction('new', args);
 			if (this.superClass == null && this.__class.classDecl.extend != null)
@@ -132,8 +134,8 @@ class CustomClass implements IHScriptCustomAccessBehaviour {
 		}
 
 		if (Interp.customClassExist(extendString)) {
-			var abstractSuperClass:CustomClass = new CustomClass(Interp.getCustomClass(extendString), args, _cachedSuperFields, this.interp);
-			superClass = abstractSuperClass;
+			var customSuperClass:CustomClass = new CustomClass(Interp.getCustomClass(extendString), args, _cachedSuperFields, this.interp);
+			superClass = customSuperClass;
 		} else {
 			var c = Type.resolveClass('${extendString}_HSX');
 			if (c == null) {
diff --git a/hscript/proxy/ProxyType.hx b/hscript/proxy/ProxyType.hx
index 2c0436a..b8bc940 100644
--- a/hscript/proxy/ProxyType.hx
+++ b/hscript/proxy/ProxyType.hx
@@ -15,8 +15,10 @@ class ProxyType {
 
 		In general, type parameter information cannot be obtained at runtime.
 	**/
-	inline static function getClass<T>(o:T):Null<Class<T>> {
-		return Type.getClass(o);
+	inline static function getClass<T>(o:OneOfTwo<T, CustomClass>):Null<Dynamic> {
+		if(o is CustomClass) 
+			@:privateAccess return cast(o, CustomClass).__class;
+		return Type.getClass(cast o);
 	}
 
 	/**
@@ -48,6 +50,7 @@ class ProxyType {
 		In general, type parameter information cannot be obtained at runtime.
 	**/
 	inline static function getSuperClass(c:Class<Dynamic>):Class<Dynamic> {
+		// TODO: SuperClass declaration on CustomClassDecl instead of CustomClass
 		return Type.getSuperClass(c);
 	}
 
@@ -66,8 +69,15 @@ class ProxyType {
 
 		The class name does not include any type parameters.
 	**/
-	inline static function getClassName(c:Class<Dynamic>):String {
-		return Type.getClassName(c);
+	inline static function getClassName(c:OneOfTwo<Class<Dynamic>, CustomClassDecl>):String {
+		if(c is CustomClassDecl) {
+			var cls:CustomClassDecl = cast c;
+			var name = cls.classDecl.name;
+			if(cls.pkg != null)
+				name = cls.pkg.join('.') + name;
+			return name;
+		}
+		return Type.getClassName(cast c);
 	}
 
 	/**
@@ -147,9 +157,9 @@ class ProxyType {
 		guaranteed to be taken into account.
 	**/
 	inline static function createInstance<T>(cl:OneOfTwo<Class<T>, CustomClassDecl>, args:Array<Dynamic>):T {
+		// TODO: somehow pass the ogInterp argument without breaking the original functionality
 		if(cl is CustomClassDecl) {
-			//return cast new CustomClass(cast cl, args);
-			return cast Type.createInstance(CustomClass, [cast cl, args]);
+			return cast new CustomClass(cast cl, args);
 		}
 		return Type.createInstance(cast cl, args);
 	}
@@ -161,8 +171,11 @@ class ProxyType {
 
 		If `cl` is null, the result is unspecified.
 	**/
-	inline static function createEmptyInstance<T>(cl:Class<T>):T {
-		return Type.createEmptyInstance(cl);
+	inline static function createEmptyInstance<T>(cl:OneOfTwo<Class<T>, CustomClassDecl>):T {
+		// TODO: same as above
+		if(cl is CustomClassDecl) 
+			return cast new CustomClass(cast cl, [], null, null, false);
+		return Type.createEmptyInstance(cast cl);
 	}
 
 	/**
@@ -217,8 +230,12 @@ class ProxyType {
 
 		If `c` is null, the result is unspecified.
 	**/
-	inline static function getInstanceFields(c:Class<Dynamic>):Array<String> {
-		return Type.getInstanceFields(c);
+	inline static function getInstanceFields(c:OneOfTwo<Class<Dynamic>, CustomClassDecl>):Array<String> {
+		if(c is CustomClassDecl) {
+			var cls:CustomClassDecl = cast c;
+			return [for(f in Tools.getClassDeclFields(cls.classDecl)) f.name];
+		}
+		return Type.getInstanceFields(cast c);
 	}
 
 	/**
@@ -230,8 +247,12 @@ class ProxyType {
 
 		If `c` is null, the result is unspecified.
 	**/
-	inline static function getClassFields(c:Class<Dynamic>):Array<String> {
-		return Type.getClassFields(c);
+	inline static function getClassFields(c:OneOfTwo<Class<Dynamic>, CustomClassDecl>):Array<String> {
+		if(c is CustomClassDecl) {
+			var cls:CustomClassDecl = cast c;
+			return [for(f in Tools.getClassDeclFields(cls.classDecl, true)) f.name];
+		}
+		return Type.getClassFields(cast c);
 	}
 
 	/**