W . D Gaster is one of the characters from the very popular game, UnderTale . Basically, he was once the royal scientist long ago, but then was forgotten and left in the void .

Gaster feels like a character that is left behind since nobody really visits him . But you can encounter him in the waterfall exhibit while following Sans to Grillby's . W. D Gaster is also believed to be the father of Sans and Papyrus .

Contributors: iiCuriousKitten

Lists Featuring Gaster

Top Ten Best Undertale Characters Top 10 Strongest Undertale Characters
Top 10 Most Overrated Undertale Characters Most Mysterious Video Game Characters
Top Ten Male Undertale Characters That Fangirls Love Top 10 Cutest Characters In Undertale
Top 10 Scariest Gaming Creepypasta Characters Top 10 Least Overrated Undertale Characters
Top 10 Characters That Should Play Five Nights at Freddy's Top Ten Most Mysterious Sega, Fnaf, Undertale, and Transformers Characters