It's from kfi, the "news on the eights is from KGO in SF, the flip-off is from Bill Handel's KFI show "Gripe-nite in the morning" - the "radio star" contest is from the TV. "The jerk of the week" is from the "Hollywood idiot of the week that Rusty Humphries used, the listener gatherings are something KGO did 20 years ago.
They just take ideas from other stations. The morning man on the station came from the LA and SF market, where these ideas were taken from.