Cheese Sandwich is a super duper party pony, and that pony is he! He is good friends with Pinkie Pie, so he joined Ronald McDonald's INSANE group so he can throw more parties with her.
- Mario Party and Ronald McDonald Party
- Boneless (Pet rubber chicken)
- Pinkie Pie (girlfriend)
- Ronald McDonald
- Weird Al Yankovic (his voice actor and favorite singer)
- Wreck Gar (his favorite Transformer. Also voiced by Weird Al!)