The ♥♥♥♥ is a "superhero" and eventual "supervillain", being the costumed alter-ego of Eric Cartman. He first appears in the self-titled episode "The ♥♥♥♥". He was also the leader of ♥♥♥♥ and Friends in "♥♥♥♥ 2: Hindsight", but he was kicked out by the other members because he was beating them up and blackmailing other heroes.

The ♥♥♥♥ eventually went to the evil side when he formed an alliance with Cthulhu in "Mysterion Rises". He embarks on a killing spree with Cthulhu, eventually making Cthulhu level the entire city of San Francisco. In "♥♥♥♥ vs. ♥♥♥♥ & Friends", he continues on his killing spree, making Cthulhu destroy the Burning Man festival, slaughter Justin Bieber and most of his fans, and banish his friends to the sunken city of R'Lyeh.

However, Cthulhu is eventually defeated when Mint-Berry Crunch uses his super powers to seal him back into his own dimension. The ♥♥♥♥ is made powerless and captured by the new ♥♥♥♥ and Friends, who put him in the cell with Professor Chaos.