So, I have two headcannons from the same friend who gave me the last two. If you've read the headcannons about Alphys and Papyrus where I tagged a certain user, you'll know who I got these from. I won't tag people a whole bunch in this book to avoid clogging up your notifications and prevent a lot of unwanted tags.
Basically, Undyne is full of energy. Papyrus is as well but, Undyne actually sleeps. I'll get into this more when I post another Papyrus headcannon.
So, Undyne has a ton of energy and rarely runs out of it. Yes, she sleeps and has coffee in the morning. But when she's pumped for a fight or hyped for an event, she's hyping everyone else up for what's to come. If you have any relationship with her, she's your biggest hype-woman.
Also, she has broken several pianos. Most of them are from when she was taking lessons as a kid. Yes, she has gotten better at playing and not breaking them. It still happens on occasion.
I think that's all I have for Undyne at the moment. If anyone has ideas or suggestions, leave them in the comments.
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Character Headcannons (UT/DR/AUs/Sonic/Other)
FanfictionLiterally what the title says. A book of headcannons for Undertale, Deltarune, AUs, Sonic, and other fandoms. No NSFW, lemons, or kinks allowed! Look somewhere else, ya simps and perverts! Family-friendly headcannons! Fluff! Angst! [BIG SHOT!] Possi...