Animation background artists are quite adept at hidden gags and most especially self reference. This holds true for the 1989 Roger Rabbit cartoon Tummy Trouble, but it does take quick reflexes with the pause button to ferret out these split second testimonials. When the ambulance careens down a city street, it passes the following five storefronts:
Rob's Pastry Shop
Here are some educated guesses as to the identities of these Toontown business owners:
Greg's Gym - background artist Greg Drolette
Kathy's Nails - background artist Kathy Altieri
Rob's Pastry Shop - Tummy Trouble director Rob Minkoff
Karen's Inn - layout artist Karen Keller
Glenn's Greenery - no one by the name of Glenn is listed in the film's credits. This one remains a mystery. A possible reference to Disney animator Glen Keane despite the variation in spelling?