is missing an eye and has his hair covering it up because alphys is one of those artists that suck at drawing the other eye
can produce stock sound effects from his chest speaker (like canned laughter/applause, klaxon noises, etc) and does it in normal conversation constantly
makes the metal gear “!” sound effect when you startle him
Undertale au where the whole game is a D&D session and Asriel is the DM
Frisk: i roll to pet the dog.
Asriel: you pet the dog. it was a good dog.
Frisk: i roll to pet th-
Asriel: Frisk you’ve been petting the dog for the past 5 turns you can stop now.
Frisk: i roll to pet the dog.
Asriel: The Absolute God of Hyperdeath casts Galacta Blazing-
Papyrus: I DON’T REMEMBER SEEING THAT SPELL IN ANY OF THE RULE BOOKS. OR THIS CHARACTER. OR ANYTHING FROM THIS CAMPAIGN, REALLY.
Asriel: W-well, it’s from the newest edition available online, s-so just hush. Anyway, Frisk, roll for evasion.
Frisk: I rolled a 1.
Asriel: Galacta Blazing strikes you square in the chest, piercing your very soul and dealing 5d8 arcane damage totaling…29 damage after armor and resistance. Your life is brought to -20, killing yo-
Frisk: I roll to resist.
Asriel: What.
Frisk: I roll to resist dying.
Asriel: Frisk you have a Light Armor score of 3 and no magic resistance, how are you going to-
Frisk: My soul is too determined and refuses to die.
Asriel: …Okay, fine. You make one last ditch effort to resist the God of Hyperdeath’s pow-
Papyrus: I LOOKED UP THE LATEST EDITION OF THE RULE BOOKS ONLINE BUT I COULDN’T FIND THE GOD OF HYPERDEATH ANYWHERE, AND GALACTA BLAZING ISN’T IN ANY OF THE SPELL COMPENDIUMS.
Asriel: Papyrus, not now! I’m just about to wi-
Frisk: I rolled a 20.
Asriel: …Your soul refused to die…restoring you to full health…