Warwick Ashley Davis is an English actor and television presenter. Active within the industry since he was twelve, Davis is one of the highest grossing supporting actors of all time and has the highest average gross revenue of all time. He played the title character in Willow (1988) and the Leprechaun film series (1993–2003), several characters in the Star Wars film series (1983–2024), most notably Wicket the Ewok, and Professor Filius Flitwick and the goblin Griphook in the Harry Potter film series (2001–2011).

Leprechaun is an American horror comedy film series consisting of eight slasher films. Beginning with Leprechaun (1993), the series centers on a malevolent and murderous leprechaun named Lubdan who, when his gold is taken from him, resorts to any means necessary to reclaim it. None of the films in the series are presented in chronological order. Warwick Davis plays the title role in every film except for the 2014 film Leprechaun: Origins, and the 2018 film Leprechaun Returns, in which the character is respectively portrayed by Dylan Postl and Linden Porco. On St. Patrick's Day, all Leprechaun films are played on Syfy.