EntityHarog

package com.triphion.ancient.entity;

import net.minecraft.entity.SharedMonsterAttributes;
import net.minecraft.entity.monster.EntityZombie;
import net.minecraft.world.World;

public class EntityHarog extends EntityZombie{

	public EntityHarog(World worldIn) {
		super(worldIn);
	}
	
	@Override
	protected void initEntityAI() {
		super.initEntityAI();
	}
	
	public boolean isAIEnabled(){
		return true;
		
	}
	
	@Override
	protected void applyEntityAttributes() {
		super.applyEntityAttributes();
		this.getEntityAttribute(SharedMonsterAttributes.MAX_HEALTH).setBaseValue(20D);
		this.getEntityAttribute(SharedMonsterAttributes.ATTACK_DAMAGE).setBaseValue(5D);
	}

}

RenderHarog

package com.triphion.ancient.client.entity;

import com.triphion.ancient.Reference;
import com.triphion.ancient.client.model.ModelHarog;
import com.triphion.ancient.entity.EntityHarog;

import net.minecraft.client.model.ModelZombie;
import net.minecraft.client.renderer.entity.RenderBiped;
import net.minecraft.client.renderer.entity.RenderLiving;
import net.minecraft.client.renderer.entity.RenderManager;
import net.minecraft.client.renderer.entity.layers.LayerBipedArmor;
import net.minecraft.entity.monster.EntityZombie;
import net.minecraft.util.ResourceLocation;
import net.minecraftforge.fml.relauncher.Side;
import net.minecraftforge.fml.relauncher.SideOnly;

@SideOnly(Side.CLIENT)
public class RenderHarog extends RenderLiving<EntityHarog>
{
    private static final ResourceLocation HAROG_TEXTURES = new ResourceLocation(Reference.MODID+":textures/entity/harog/harog.png");

    public RenderHarog(RenderManager renderManagerIn) {
        super(renderManagerIn, new ModelHarog(), 0.5F);
    }

    /**
     * Returns the location of an entity's texture. Doesn't seem to be called unless you call Render.bindEntityTexture.
     */
    protected ResourceLocation getEntityTexture(EntityHarog entity)
    {
        return HAROG_TEXTURES;
    }
}