Mark Justin Roiland (born February 21, 1980) is an American actor, writer, television director and producer. He voiced Oscar in "Fish Hooks", and the Earl of Lemongrab in "Adventure Time". He is also the co-creator and executive producer of "Rick and Morty", in which he voiced many characters. Roiland voiced The Delicious One in the 2D-animated commercials of Wienerschnitzel.