Gino Terwilliger

Gino Terwilliger is Sideshow Bob's son. He appears in the episode "The Italian Bob and in Funeral for a Fiend. He appears almost exactly and speaks quite like his father. He is a toddler version of Sideshow Bob. He appears almost 2 years later in his 2nd appearance episode Funeral for a Fiend. In a parody of the events in the episode Cape Feare he runs around his father's office he steps on a rake and falls to the ground.

Appearance
His hair looks similar to Sideshow Bob's hair. It resembles a palm tree. He looks like a toddler version of his father. He also shares his father's hatred towards Bart Simpson.

The Italian Bob
Gino made his first appearance in this episode. He was introduced in Salsicca. When Sideshow Bob's life was ruined, he and Francesca help Bob track the Simpsons down in Rome. He, along with his mother, helped Bob to try to kill the Simpsons. After Krusty saves the Simpsons family, he chases a butterfly.

After Italy
After failing to kill the Simpsons, he and his family fled to England where Bob got a job as a chimney brusher. He and his family tour around England going to Buckingham Palace, Sherlock's museum, and rowing a boat (Gino is seen using a megaphone telling his parents to row). Eventually, Bob, Francesca, and Gino sneak back to the US on a train. Gino and the rest of his family constructed a trap to kill the Simpsons by building a phony barbeque restaurant and constructing a commercial about it. All of this was told by Sideshow Bob.

Funeral For a Fiend
Gino appeared as a background character during his father's trial, funeral, and his attempt to murdering Bart. He and his family were caught and were sentenced to 87 years in prison. In prison, he had one speaking role.

Trivia

 * Gino appears about a year older than Maggie, but never existed until The Italian Bob.