His early comedy career started when he competed in the Johnnie Walker Comedy Search in 1989 and included many outlets such as Comedy Central , where he had been a recurring guest voice on the show '' Dr. Katz , Professional Therapist '' .
His early comedy career started when he competed in the Johnnie Walker Comedy Search in 1989 . 
 His career included many outlets , such as Comedy Central , where he had been a recurring guest voice on the show '' Dr. Katz , Professional Therapist '' .