Groot is a hyper-intelligent, tree-like organism from the species Flora colossus native to the planet X. While he possesses human level intellect, Groot's robust and heavyweight physiology causes the organs of his acoustic generation to become stiff and inflexible, rendering the limits of his speech to the simple phrase, "I am Groot." Groot's extensive Nova Corps criminal record includes 3 counts of grievous bodily harm, 15 counts of escape from incarceration and 3 counts of mercenary activity.