Groot, tree-like alien and member of the Guardians of the Galaxy. Humanoid plant capable of changing size and regenerating. Limited vocabulary, only says "I am Groot" with varying intonations. Childlike personality in current form, previously more mature. Capable of great strength and manipulating plant matter. Close friendship with Rocket Raccoon. Selfless, often sacrificing himself for others. Represents the power of friendship, innocence, and the ability to communicate beyond words.