Heffer Wolfe is a fictional character from the animated television series Rocko's Modern Life. He is a large, anthropomorphic cow who is known for his goofy personality and love of food. Heffer is Rocko's best friend and often provides comic relief with his silly antics and carefree attitude. In the show, Heffer was adopted by a family of wolves, which contributes to his humorous and sometimes naive outlook on life. His character embodies themes of friendship and loyalty, making him a beloved figure among fans of the series.