He has acted in films such as Used Cars , Clue , and The Big Picture , the latter of which he also co-wrote. Since , he has voiced Lou Pickles in Nickelodeon 's Rugrats franchise. He took on dual roles portraying J. McKean directed one episode, and the characters became something of a phenomenon, even releasing an album as Lenny and the Squigtones in , which featured a young Christopher Guest on guitar credited as Nigel Tufnel βthe name Guest would use a few years later as part of the spoof rock band Spinal Tap.
Demento Show. McKean also played his character in an episode of Happy Days. McKean quickly became a recognizable name in film and television, with appearances in films such as Used Cars , Clue , D. The same year, McKean was part of an ensemble cast in the television series Grand , which aired for a short time.
McKean appeared in a number of film roles, including the film adaptation of Memoirs of an Invisible Man , Coneheads , Airheads , and Radioland Murders Having already appeared as a musical guest and then host of Saturday Night Live , McKean joined the cast from to At age 46, he was the oldest person ever to join the SNL cast at the time later surpassed by Leslie Jones , who joined in at age 47 , [ 8 ] one of a handful of SNL cast members who weren't already hired to work behind the scenes like SNL' s numerous writers-turned-cast members to appear on the show before becoming a cast member and the only one to be a musical guest and a host before becoming a cast member.
In , he performed the lead voice role in the video game Zork Grand Inquisitor as Dalboz of Gurth and appeared in the films Teaching Mrs.
Tingle and Mystery, Alaska. In , he guest starred in a two-part episode of The X-Files titled "Dreamland," in which his character Morris Fletcher switched bodies with Fox Mulder. The character was a success, reappearing in 's "Three of a Kind," an episode which focused on the recurring characters of The Lone Gunmen. The character appeared on the short-lived spin-off series in , and then returned to The X-Files in its final season for an episode called "Jump the Shark. He did voiceover work as Henry's cousin Louie on Oswald , which coincidentally featured the voice of David Lander as Henry.
