He's certainly going through his "Edgy" phase. I've said that he doesn't handle intense negative emotions very well, so yeah, he's sulking right now.
Ok then that mean's it's Flash's time to shine. For the longest time I thought you suggested Green Flare but I'm gonna pull a retcon for the proper name of "Green Flash". I also feel like it suits her better.
Oh, lmao, that was a nickname I made up for Baby Luigi, because it also coincides with an atmospheric phenomenon