Frat Mouse is a Midwest Emo/Indie band based in L.A and formed in 2019. Mainly consisting of the two founding members, Truman Sinclair (vocals, guitar, songwriting) and Griffin Meehan (Bass, Management). But are also frequently joined by their drummer, Ben Lopez. And occasionally feature Chloe Elise Villamayor for other special instruments. They debuted with their relatively short album, Rat Pack in 2020.