Yes I have registered the Entity and I have registered the Renderer,
heres how I have registered the Entity
EntityRegistry.registerModEntity(EntityHippogriff.class, "Hippogriff", 44, this, 40, 3, true);
And here is how I have registered the Renderer
RenderingRegistry.registerEntityRenderingHandler(EntityHippogriff.class, new RenderHippogriff(null, 0));
What do you mean by "obfuscated names"?