He tells me he blogs from 'an inflated sense of self-importance' to raise awareness of the animal suffering involved in producing meat, dairy, and eggs, and to support the vegan community. 'I'm fat, and I don't march around proud of it, but I march around saying, 'You don't have the right to make me feel shit because I feel fat.'' 'I like that it challenges stereotypes about people,' O'Callaghan says of his moniker.