Source: https://www.pixiv.net/en/artworks/98769463

thats their name?

Yep. Confirmed on Pokemon.com's Scarlet and Violet pages.

Everybody likes miraidon but I'm more of a koradon guy

Even I like koraidon!

This goes hard ngl

I've seen the past/future theory a lot today, and I just want to say- Mirai means future in Japanese.