Larry Weil was an Irish-American professional wrestler, manager and trainer better known under his ring name, "Pretty Boy" Larry Sharpe. Sharpe is perhaps most well known for creating the Monster Factory professional wrestling school. He grew up in Castleisland, Ireland and was the original trainer of Kevin Von Erich, and many other well-known wrestlers.

Castleisland is a town and commercial centre in County Kerry in south west Ireland. The town is known for the width of its main street. As of the 2022 census, Castleisland had a population of 2,536.