Kimmel led the Late Night pack. These were Thursday's top moments:
What a week for Guillermo! In celebration of Cinco de Mayo on Saturday, Jimmy Kimmel's Hispanic sidekick transformed from Late Night security guard into Cinco Claus, a mythical being best described as an intoxicated Saint Nick knockoff. Brandishing a bottle of tequila and papering the studio with confetti, Cinco Claus will have one hell of a holiday hangover come Sunday morning.
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