And the award for most 2016 song goes to

Everyones voice should be the same because thats just Good

Good character traits to carry over to underswap:

Temmy:

-UwU talk

Asgore:

-howdy

-cant cook worth shit

-has no idea that flowey/temmy is dangerous ('i've never seen a flower cry before')

Sans:

-makes puns

-scifi nerd

-narclopetic

-likes awful, greasy food

-older bro if you portray the brothers with an age difference

-empty eye socket expression

-'heres some advice for fighting my brother: dont.'

-fucking with you (just to a lesser degree)

-his stats (and by extension his dodging skills and lack of invincibility frames)

-teleportation (its mentioned that papyrus is too lazy to move between posts and always puts it off so till he's running so late that sans is willing to teleport him)

Papyrus:

-hates puns

-Kinde Man (he never threatens you at the resort and theres no implication he doesnt rlly want to be friends with you like there is w canon sans)

-coolskeleton95

-likes cars

-has or wants a racecar bed cos i saw an underswap comic where be mentioned he always wanted one and *chefs kiss*

-thinks junior jumble is harder than crossword

-uses the word 'japes'

-likes designing puzzles even if he's too lazy to make them (its implied sans is using designs he came up with)

Alphys:

-likes pot noodles

-friends with mettaton

-her date dress

Undyne:

-thinks anime is real

-bffs w papyrus

Toriel:

-likes puns

-MASSIVE stretch but i'd like it if she somehow was still friends with sans. Even if not friends they like. Met once and got along