Boothwyn's

Kenneth Keith Kallenbach

, an actor/musician, and perhaps most notably a member of

Howard Stern'

s Wack Pack, has died, as was reported on Stern's Sirius Satellite Radio show this morning.

» READ MORE: Kallenbach

was recently seen in commercials for Monday Night Football and Stride Gum and also appeared in "Jerry Maguire." According to Stern's show, which spoke with his mother, Kallenbach, who was 39, was serving time in a local jail where he fell ill and was taken to a Chester County hospital where he died from pneumonia. Kallenbach, was

for allegedly trying to lure an underage girl into his car. The most recent arrest we found in court records was in March 2007 for operating a car without an interlock breathalyzer device put on the car after a prior DUI conviction. We'll update this post as more information becomes available or check

» READ MORE: here

.

UPDATE:

Philadelphia

magazine has

» READ MORE: dug up a 1994 story

which details how Kallenbach got involved with Stern.