This category is for when an Undertale character has a role from another game, a crossover role.
“D-9341 is the protagonist of SCPtale. For the majority of the game they're not seen nor does...Frisk/SCPtale
“Vanoss (also known as Vanossgaming) is the main protagonist of Vanosstale who play the main role...Vanoss (Vanosstale)
“Warning,Spoilers both for Coraline and for Undertale,and for some aspects/parts of the fanfic...Coratale