How to get the blue cow decal. 1. View your friend’s list and search for derrick. 2. Go to derrick’s Condo. Click on him. He’ll say: "I'll give you a bell to ring to call him" 3. Now let’s visit Wonderland. 4. Ring the bell. Blue should come running. 5. Go back to Derrick’s Condo. 6. He’ll give you the Decal for finding him.