Baby Groot is the childlike form of Groot from Marvel's Guardians of the Galaxy films, especially the version popularized in Guardians of the Galaxy Vol. 2. Short Groot voice clips spread widely in meme edits, fandom videos and reaction posts because the character is instantly recognizable even in a tiny soundbite. The appeal comes from the contrast between Groot's limited speech and the strong personality viewers project onto each delivery. That keeps the clip useful for cute reveals, joke intros and character-focused movie memes.