User blog comment:Gliscor Fan/Epic Rap Battles Pokemon vs History: Generation 2 Finale - Ben Tennyson vs Ditto/@comment-5101200-20161218194109/@comment-5101200-20161218195407

I never really see anyone talking about Alien X which is why I've questioned it. Even including the other ones I figured those aliens were most popular. I would've said Humungousaur as well but I'm fairly sure the majority of the fanbase is tired of him and thus he's not popular and is overrated.