Anchorman: The Legend of Ron Burgundy is a 2004 American satirical comedy film directed by Adam McKay in his directorial debut, produced by Judd Apatow, starring Will Ferrell and Christina Applegate and written by McKay and Ferrell. From Wikipedia
The actor attended an LA Kings game dressed as Buddy the Elf, complete with a grizzled look and faux cigarette, delighting fans with his comedic take on the beloved character.