Actor Brian Rosenthal. Member of the wildly popular theater group Starkid. Name came from A Very Potter Musical when A Zac Efron poster was called a Zephron poster. Names such as these are made by taking the first letter of a person's first name and adding it to the beginning of their last name. For Example Brolden (Brian Holden). Brian Rosenthal is a member of the Comedy Group TinCanBros
Starkid Fan 1: Hey, noticed Brosenthal in AVPSY?
Starkid Fan 2: Yes I know! I love watching Brosenthal in that scene with Harry.
by Satantherealman February 12, 2020
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to brosenthal

Used in theatre when a person has to play several characters at the same time cause there are not enough people to cover all the roles. Often linked with lots of quick changed on stage. It was first defined in the Tin Can Brothers' show "The Solve It Squad Returns", where Brian Rosenthal simuntaneously plays all of the six employees of the hotel.
Person 1: In this scene, James plays Duder, Sami, Tanya and Toby because all the other people are busy.
Person 2: Man, he's really brosenthaling!
by himbeeereis July 12, 2020
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Used if an actor has to play multiple roles simuntaneously. Mostly because there is someone missing or there are too many roles.

Most popular example was the one Tin Can Bros member in their play "Solve It Squad (Returns)" when he played all the hotel staff at the same time and changed his wigs and hats to portrait the different characters.
Person 1: Guys, Gary is missing. He should have played the roles of Moarning Turtle, Honkey Tonk, Alice and Ted. There aren't any people left, so could you please cover up for his roles, Bill? I know that they are all in one scene but you got this.
Person 2: Man, Bill gets to brosenthal this scene.
by himbeeereis July 26, 2020
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