Marvel Guardians of Galaxy I Am Groot Rocket Cartoon Girls Tank Groot always took care of Rocket, and now it's Rocket's turn to take care of Groot! Watch Rocket share a snack with Groot on the Marvel Guardians of the Galaxy Baby Groot and Rocket Dinner Cartoon Black Racerback Tank Top! Shirt! A funny cartoon version of Rocket is portrayed with a watering can, next to an excited Groot exclaiming, "I am Groot" down this hilarious fitted Groot tank top. 60% Cotton, 40% Polyester.