Comedian James Patterson McCown died April 27 after suffering a heart attack during treatment for diabetes. He was 47.A longtime fixture in Houston comedy clubs and a radio personality in several cities under the professional name Jim Patterson, McCown performed onstage in Houston at the Comedy Workshop — both the Annex and the Cabaret — and at Radio Music Theater. He also wrote for both venues and for local radio personalities. McCown wrote for Bill Moffett’s KSRR-FM morning show in the early 1980s. Though he suffered health problems for the past eight years, McCown was doing standup comedy and had performed in April at the Laff Spot in Willowbrook. Born in Pine Bluff, Ark., he worked in radio in Eunice and Oakdale, La., and in Corpus Christi before he began making day trips to Houston to the Comedy Workshop. He moved to Los Angeles in 1990, working at comedy clubs for a few years until he reteamed with friend and former comedy partner Carl Faulkenberry to perform as morning drive-time DJs, first in Nashville and then in Chicago. McCown is survived by his mother, two brothers, a sister and many nieces and nephews.