There are so many reasons to see Guardians of the Galaxy Vol. 2 — cough, Chris Pratt's abs, cough — but the biggest one of all is the return of Baby Groot. We first met the lil' nugget in Guardians of the Galaxy, when Big Groot gets "killed" but just starts growing all over again as a root. We're not the only ones who are obsessed; parents have been dressing kids up as Baby Groot, and there's even a way to make your own version! Here are 12 moments that have made us love the plant, and make sure you've caught his appearances in the Guardians of the Galaxy Vol 2 trailers.