Stewart Walldinger is a character in Pepper Ann. He is an Italian-American and is the boyfriend of Nicky Little who speaks Italian and is a geek that Nicky said about going with him on a date for a reason, she has a crush on him in "Presenting Stewart Walldinger".
In "The Finale", it is established that in the series' version of 2013, Stewart and Nicky's relationship only lasted two years. As an adult, Stewart has become desperate to win Nicky back, yet no one remembers who he is. He meets up with Gwen Mezzrow and ends up going out with her, but does not remember her from their middle school days.
- "Presenting Stewart Walldinger"
- "Like Riding a Bike"
- "Beyond Good and Evel"
- "Unhappy Campers"
- "The Finale"