Callahan became a
quadriplegic in a drunk driving crash as a passenger in 1972 at age 21. The accident happened in Callahan's car, which was being driven by a man he did not know well. Callahan scoffed at the reactions of critics who labeled his work
politically incorrect, while delighting in the positive reactions he received from fans with disabilities. "My only compass for whether I've gone too far is the reaction I get from people in wheelchairs, or with hooks for hands," Callahan said. "Like me, they are fed up with people who presume to speak for the disabled. All the pity and the patronizing. That's what is truly detestable.") and
Quads! (on
Teletoon) (about a group of disabled housemates). Friends said Callahan realized that his cartooning was a form of emotional venting, which led him to pursue a master's degree in counseling at
Portland State University. However, his deteriorating health prevented him from finishing his first term. In 2005,
Dutch filmmaker Simone de Vries directed a documentary about Callahan titled
Raak me waar ik voelen kan (English:
Touch Me Where I Can Feel). Callahan died on July 24, 2010, following surgery for chronic
bed sores. His brother stated the causes of his death were complications of quadriplegia and respiratory problems. He was 59 years old. ==Other careers==