--Cosmo Kramer in "The Baby Shower"

• Lives next door to Jerry
• Has a key to Jerry's apartment and enters at will
• Constantly borrows items from Jerry but never returns them
• Uses Jerry's refrigerator like it was his own
• Single man, aptly described as a "hipster doofus"
• Doesn't have any visible means of support
• Is often dreaming up outlandish schemes to make money:
• A coffee table book about coffee tables
• A make-your-own-pizza restaurant chain
• A new cologne with a beach smell called "The Ocean"
• Invested in a non-fat yogurt shop where everyone who ate there gained weight
• Was a member of the Polar Bear Club
• Was once mistaken for a local serial killer
• Got booted from a baseball fantasy camp for punching Mickey Mantle
• Was once a ball boy at the U.S. Open
• Went searching for Cuban cigars at the Cuban Embassy
• Once converted a lesbian to heterosexuality
• Once put a hot tub in his apartment
• Designed a brassiere ("The Bro") for George's father, who needed added support