Richie Castle, played by Mickey Yablans, is a character in the 1978 film Halloween
Richie is friends with Lonnie Elam and also bullies Tommy Doyle. Richie briefly encounters Michael Myers outside his school grounds, who grabs him and lets him go.
In Halloween II: The Blackest Eyes Richie, now an adult, has lost a football scholarship and had a failed stint as a realtor that cost him his house, wife, and job. Richie plans to burn down the Myers House. Richie arrives and mistakes Sheriff Leigh Brackett for Michael, and Brackett shoots Richie.