Mark O'Hare Actor or Actress (1) The Match (1999) Director (3) Panic in the Mailroom (2013) Hey Arnold! (1996) Rocko's Modern Life (1993) Writer (4) SpongeBob SquarePants (1999) The Powerpuff Girls (1998) Dexter's Laboratory (1996) Rocko's Modern Life (1993) Producer (1) Marsupilami (1993)