Zaneta's triplets always had great birthday parties. It'd be hard for them not to, seeing as they have superpowers and their mother straight up owns an island. Of course, most of their friends and classmates also have superpowers, but that just added to the festivities. Especially when Erwin showed off his ability to pull stuff from other timelines...
"What kind of spy plans on getting randomly summoned? It's impossible to do it deliberately, probably, and there are way easier and less flashy ways to get here, probably. Why are you grey?"
"Wait. English. Right. I'm not good at it."
"Yes. Sorry, I know like two hundred words in English. I'm trying not to use German ones in place."
"It is a color I only see on sick people, but I do not think you are sick, why?"
"...Meerfrau? People who look a little like humans but live in the ocean?"
(Not! Darwinists!)
"Okay, that's actually pretty cool... If I ignore how it makes me think of scary stories from home."
"The stories aren't about mer really... They're about humans making lots of scary creatures, and something kind of like mer called kappas are one of the things they made."
"They look a little like really short humans with green skin, but they're strong and have claws and I don't really want to keep talking about this sorry."
"No, just some things that are kinda-not-really like mer. Like, um, monkeys are to humans."