|Allies||The Three Investigators|
|Affiliation||Rent-'n'-Ride Auto Rental Company|
|First Appearance||The Secret of Terror Castle.|
Throughout the series, he also, occasionally, abandoned the sedan, if a problem had befallen the sleuths, or if they had been trapped. It is known that Worthington is six feet and two inches tall. He is also often referred to as the Fourth Investigator by the sleuths.