Gash, an alternative name for the Ys series character Geis, originates from the video game franchise and appears specifically in the crossover title *Ys vs. Trails in the Sky*. Within the anime *Minna Atsumare! Falcom Gakuen*, Geis (credited as Gash) joins a comedic school setting as one of many characters representing Falcom's game universes. He is grouped alongside fellow Ys series characters Adol Christin and Dogi.