An interesting glitch. Managed to instantly create a level 80 character of every class on the switch version. Mash the zl and zr button while in the pause menu and you get
Borderlands 2 Glitches That Still Work in 2022!| Duplication, Infinite Damage, and More! - YouTube
Borderlands 2: Glitches and Fixes - Borderlands 2 - PlayStationTrophies.org