Guilherme Vasconcelos, also known as Bomba, is a Brazilian MMA fighter. He has attracted over 50,000 followers to his bombatuf Instagram.
He began jiu-jitsu when he was sixteen and worked his way up to a black belt in both jiu-jitsu and kickboxing.
He won his first fight as a pro MMA fighter in July of 2012 against Wendell de Oliveira Marques.
He sites his dad as his hero.
He gained popularity when he was rumored to be dating Demi Lovato.