Flowey

Flowey is the first major character that the protagonist encounters in Undertale, and is the main antagonist in the game. He also appeared in Strawberry Getaway, in which he was an ally.

He's not even a golden flower in Strawberry Getaway anymore either, he's an echo flower (which equally fictional and equally from Undertale).

Unlike the original Undertale, the Flowey in Strawberry Getaway is not Asriel.