Groot

Created by Stan Lee, Larry Lieber and Jack Kirby, the character first appeared in Tales to Astonish #13 (November 1960).

An extraterrestrial, sentient tree-like creature, the original Groot first appeared as an invader that intended to capture humans for experimentation.

The character was reintroduced as a heroic, noble being in 2006, and appeared in the crossover comic book storyline "Annihilation: Conquest".

Groot went on to star in its spin-off series, Guardians of the Galaxy, joining the team of the same name.

Vin Diesel voices Groot in the Marvel Cinematic Universe films Guardians of the Galaxy (2014), Guardians of the Galaxy Vol. 2 (2017), Avengers: Infinity War (2018), and Avengers: Endgame (2019), while Krystian Godlewski played the character via performance capture in the first film.