All someone would have to do is go back into the main channel history, and gather evidence...

Description: [{Neglectale} Frisk- Lv: 1 Atk: 8 (x2) Def: 4] A Frisk from another AU, Instead of a Stick. they wield a Boomerang. They seem experienced with it. This frisk also doesn't seem to like attack Monsters, usually only fighting creatures without a Monster soul.. hmm.. (Themes: Regular Battle- https://www.youtube.com/watch?v=C5Xk1qFtiFU Strong Opponent- https://www.youtube.com/watch?v=nQLpzOZ9Z5M Last Stand- https://www.youtube.com/watch?v=mZBhiDuSup8&list=PLAiUj_f4EpG_QtHZ-FumahTOYKoAkAgwX)