Beat butter, vanilla, egg, and cream cheese until fluffy.
Mix in cake mix and divide equally into separate bowls of however many colors you would like.
Add food coloring into each batter bowl and mix until desired color.
Chill for 30 minutes in refrigerator.
Roll into balls and dip each ball into a bowl with powdered sugar.
Place on parchment paper and pat down to flatten the top of the cookies a little.
Bake at 350 degrees for 10-12 minutes.
While cookies are still warm add candy eyeballs by gently pressing into the warm cookie.