Notes:

Not ALL of this is canon, some of Anonymouse6679's headcanons are on here, however there were some problems with that tier list. Here is what changed:

• Kirby is only a baby in THE ANIME, which isn't canon to the games. His age is ambiguous and Kirby Star Allies's final boss sort of implies his origin story.

• The concept of Pokemon breeding wasn't brought up in Anonymouse6679's. If you play Pokemon then you know how breeding works. Also, Pokemon age and evolution are two separate, meaning we can have fully-evolved Baby Pokemon and elderly unevolved Pokemon.

• Also, Anonymouse6679 didn't consider the man-made or mutated characters, so they don't technically have ages. Mega Man and ROB are robots, Mewtwo was cloned from Mew in a science lab, and Dark Samus was a dying Metroid merged with some of Samus's DNA.

• Rosalina is practically a goddess and is immortal.

Additionally, some statements that Anomalocaris20 said:

• "Ken is at LEAST 20 years old-- and could be older depending on what point in the SF timeline he's been pulled from."

• "Marth and Lucina need to be bumped up a tier. Marth's based on his older Mystery of the Emblem self, and Lucina's the same age as Chrom- not to mention pulled from post-timeskip Awakening."

• "And Ness and Lucas are canonically 13 years old, and as such should be moved up a bracket; Ness is only days away from 14 by the end of EarthBound, in fact."