BARTO signs Bart on the graffiti he does all over Springfield, on the Simpsons, so he is wanted by the police. 2 . Apocope and alias of Bartolomé or Bartolo . 3 . Pseudonym of Diego Campos is known as El Barto. Diego Campos, a Chilean freestyler, rapper and trapero of Colombian descent. 4 Bartolomé Bedoya in the tv series Casi Ángeles .