Fell!Sans

"Goddamn Brat, I'm Gonna Have To Do it.."

Underfell!Sans After Agreeing To Go With Sans On His Journey.

Fell Is An Edgy Version Of Sans, That Just Had To Go With Sans, Because You Know, Everyone Got Killed, And He Needed

To Save Everybody In The Multiverse With sans.

After making His brother mad, Fell Runs away for his Life, Stumbling Across Sans, And Fell Got Surprised, So He Attacked sans, Sans Ultimately Won And Convinced Fell To Join Him, As They Were Talking, Cm!Sans Killed Everyone In Under!fell, Except Fell And Sans As They Engaged In Battle With Corrupt Multiverse, He Left Without a Trace, Making Fell Furios.