CHICAGO (TheBlaze/AP) — The Chicago Cubs have filed a lawsuit against several people whom the team accuses of being behind a fake mascot that has been engaging in bad behavior near Wrigley Field — including getting into a bar fight that was captured on video and posted online.

According to the suit, the fake mascot — “Billy Cub” — was at Windy City bar John Barleycorn in April, the Chicago Sun-Times reported, when another man took off his bear head:

Image source: YouTube

Image source: YouTube

This apparently angered the man dressed as “Billy Cub,” because the clip shows him punching the joker in the face:

Image source: YouTube

Image source: YouTube

According to the individual who posted the video to YouTube, the recipient of the roundhouse right “tried to trip the mascot three times and then threw himself into the mascot in an attempt to start a fight. The mascot ignored all of this until he got his head pulled off. After the guy was punched in the face and his friend was thrown to the ground, the guy knocked the mascots tip jar out of his hands.”

The Cubs said fans were confused and thought the official team mascot had thrown the punch.

Here’s the clip:

The team filed its lawsuit on Friday in federal court in Chicago against John Paul Weier, Patrick Weier and three other unnamed individuals whom the team says dress in the bear costume, the Sun-Times added.

The fake mascot — not to be confused with the team’s new official mascot, “Clark the Cub” — wears a Cubs hat and number 78 jersey that has the name “Billy Cub” on the back. The team said the defendants are trying to pass their character off as an official representative of the team, and it accuses them of trademark infringement, injuring the team’s reputation and unfair competition.

In addition the team accuses those behind the fake mascot of demanding tips for photos and making “rude, profane and derogatory remarks and gesticulations.”

The lawsuit wants the defendants to stop using the character and requests “deliver for destruction” the costume’s components. It also is seeking payment for damages and legal fees. The nature of the Weiers’ relationship wasn’t immediately clear, and neither of them could be reached for comment.

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