This article contains opinionated view so this is/may not be factual.
In No particular order, here:
1. Ash and Red
Ash and Red
"Are they the same person?", the most common and the main discussion of this topic. Though they are not but this question has always been raised. They are also compared in their Pokemon training skills.
2. Mew vs. Mewtwo Another topic which has been heavily discussed. Mew vs. Mewtwo is one of the most popular Pokemon comparison. With Mewtwo clearly having higher base stats than Mew, and also the highest base stats of the Kanto region, the other side still holds good....