Arnold Fartzenegger is a male human made out of gas, specifically Pig's. He helped Pig defeat Lord Garglemouth in "Mall Ya Later". He is an obvious parody of Arnold Schwarzenegger, a real-life actor.
Arnold Fartzenegger is a figure made from gas, but he takes the appearance of a human. He is green in color and appears to wear a white tank top. He has brown hair and large buck teeth.