Howdy! I figured I should make a short list about what I remember from canon, both for my convenience and to help anyone looking for an Asriel from Undertale. I don't remember much, but here's what I know:
Chara was definitely my best friend!
I rubbed my face with my ears a lot to stim
I loved and collected music boxes
I played the piano and loved music in general
I had ears that were especially fluffy, not like a normal goat's ears
I lived with my family before something happened... I don't know what. Maybe what happens in the game Undertale? I can't remember.
Some of my attacks were like stardust! They looked kind of like sparkles or sand...
Frisk tried multiple times to save me, and I remembered all of their resets. They were all pacifist.
Eventually I was saved (don't know what changed in that timeline for it to be possible) and I went home with Frisk
When I said it was time for the monsters to go free at the end of the pacifist route, I shouted it every time. I meant it with all my heart, even if there was the possibility of a reset taking away their freedom again.
