John Riker was an American manager and truck driver better known by the name Ralphus. He was best known for his time in World Championship Wrestling as manager of Chris Jericho (as "Jericho's Personal Security") and of Norman Smiley during his time competing for the WCW Hardcore Championship. He wrestled four matches, all of them hardcore matches for the aforementioned championship.
During Jericho's Saturday Night Special #21, he announced that he had learned Ralphus had passed away in the previous year.
- Wrestlers Managed