This random butterdragon serves as a secret boss in Undertale, they are the character that rarely appears in other AUs and their role is rarely filled because they play such a minor role in UT.
“"I will be the one! I must be the one! I will capture a human! Then I, the Almighty Samael...So Sorry/FableTwister
“W.D Burgero Sorrawey is a Character fused with W.D Gaster, Burgerpants, So Sorry, Chara, and Flowey.W.D Burgero Sorrawey
“Yasha is So Sorry in PlayerTale. They are made by Raytaygirl. Yasha is a green monster that...So Sorry/PlayerTale
“"A Temmie? Uh... oh, geez... um... I'm So Sorry! I'm not prepared for this! Glyde! Why didn't...So Sorry/Underminor