"The Bizarro Jerry" introduces characters who are Bizarros. They are bizarro versions of the seinfeld cast. Throughout the episode, they all display the opposite qualities to those of the cast of Seinfeld, and Jerry Seinfeld suspects them to be Bizarros. In the end, this is confirmed, when Kevin speaks in Bizarro language.
- Kevin is the name of the Bizarro version of Jerry Seinfeld. Where Jerry is considered forgetful and inconsiderate, Kevin is reliable and kind. His appartment is the exact reverse of Jerry's, and he has a figure of Bizarro in place of Jerry's statue of Superman. He appears in the Seinfeld episode, The Bizarro Jerry. In the end of the episode, he speaks Bizarro language, saying "Oh... me so happy. Me want to cry."
- Gene is the Bizarro version of George Costanza, a character from the television series, Seinfeld. Being the opposite of George, who is selfish and irresponsible, Gene is selfless and responsible.
- Feldman is the Bizarro version of Cosmo Kramer, who is a character from the television series, Seinfeld. His personality is the exact opposite of Kramer's. He appeared in the episode, The Bizarro Jerry of the Seinfeld television series.
- Vargas is the Bizarro version of Newman. Vargas appeared in the episode, The Bizarro Jerry. His personality is the exact opposite of Newman's, and as such he's great friends with Kevin, the bizarro version of Jerry Seinfeld.