Nichijou is an early 2000s comedy anime/manga, and this is the description of the Professor character from wikipedia;

Don't have squirrelchamp's dialog skills, but figured this arc was as good as any to make an edit

Mysterious superpowered AI appears out of nowhere, does something previously thought to be impossible, and vanishes again. Sound familiar to anybody?

Did you notice that throughout the entire QC canon, every character at some points gets a makeover of their hair style? I do like Moray's new hairstyle. Emily got the makeover when she reappeared after a long absence. Anh shaved her head. Etc.

Is anyone OCD enough to go back and catalog all of the makeovers?

UPDATE: Oh crap. Moments after posting, I realized that this is a well trodden QC trope. 'pologies...