Carrot Cake

Husband of Cup Cake and co-proprietor of Sugarcube Corner

Pinkie Pie is a prostitute, currently pimped by Mrs. Cake and Carrot Cake.

Carrot Cake is infertile and his children with Mrs. Cake are from donated sperm.

Mrs. Cake cuckolded Carrot Cake, thus explaining her Pegasi and Unicorn foals.