This is a little different (*cough* ran out of ships to bash on *cough*) and ill just state opinions on characters
Cross-HE IS MY CUTE FLUFFY OREO NOBODY TOUCH HIM
Ink-The definition of gay
Error-If Spider-Man's flesh and bones melted off and he became a glitch this would be him.
Fresh-AH MY EYES
Geno-Depressed Tsundere
Reaper:THE NEXT LUST
Lust:My son
Nightmare:Your local hentai rape squid
Dream:SWEET INNOCENT POSITIVE BEAN AND LIKE ME BEFORE THE FOURTH GRADE
Dust:Stabby boi
Killer:Dust clone
Horror:BLOOD, BLOOD EVERYWHERE
Blue:The evil cinnamon roll
Outer:Living my dream
Fell:OW! The edge...
Sci:Smart boi
Friendswap:Smart boi 2
Classic:Mood
Chara:THEY ARE MINE, AND MINE ALONE
Frisk:Frisky bits
Undyne:When you want to act stupid in class and destroy things so you just get ya gurl
Alphys:ANIME BUDDY :D
Toriel:I need her as my mom
Gaster:I need him as my dad- WAIT- DON'T- to late... the fandom already has Toriel x Gaster art...
Asgore:R.I.P. nobody likes him XD
Papyrus:I CAN'T PROTECT HIIIIM
Asriel:HES SO FLUFFY
Flowey:Free suicide ticket
Temmie:hOi!
StoryShift Asriel is ultimate cinnamon roll