Lumpy is a character from the animated television series Adventure Time. He is a large, blue, and lumpy creature who often serves as a comedic sidekick. Lumpy is known for his goofy personality and his ability to stretch and change shape, which adds to his humorous appeal. In the series, Lumpy is often seen interacting with other characters, including Finn and Jake. His unique appearance and quirky behavior make him a memorable part of the show's diverse cast. Lumpy's character embodies the whimsical and imaginative nature of Adventure Time, contributing to its popularity among audiences.