Peter Aykroyd was a former cast member and writer for “Saturday Night Live” who was Dan Aykroyd’s brother.Canandian born actor Peter Aykroyd was a featured cast member and writer for “Saturday Night Live” from 1979-1980. On “SNL,,” he starred in the short film “Java Junkie.” Before “SNL,” he was a member of the Second City comedy troupe in Toronto.