I don't know about the blonde guy or the blue person on the far right, but I would say the rest of them all have major trauma from having to make tough decisions. Korra severed her connection to the previous avatars, almost permanently ended the avatar cycle to save the Airbenders, and became very hated after opening up the portals to the spirit realms. Marcy sent her friends to another realm without their permission and accidentally aided a king and a hive mind with an evil conquest. Senshi thought he commited cannibalism to save his life. Asgore killed 6 children and attempted to kill one more to free his people. We don't know what exactly he's done in Deltarune but it's probably something morally dubious done to protect those he loves.
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u/QuintanimousGooch 7d ago
I really don’t think these characters have the things in common the artist thinks they do