Ok, I was tagged by MickeyMario64 (https://www.deviantart.com/mickeymario64) and MaxCheng95 (https://www.deviantart.com/maxcheng95) so... Let's see if my main character, whose relevance is also my pokesona, is a Gary tsu or not.
Character: Mark Pikachu (Pokesona)
1.  They are possessed by an angel.
2.  They are possessed by a demon.
3.  They are a werewolf/vampire/faerie.
4.  They are physically strong.
5.  They have a rare hair/fur color.
6. [/] Their eyes are an unusual color.
Well, I assume green eyes is a rececive mutation, which fit for a leafeon... though is a real thing.
7.  This eye color happens to be red.
8. [/] Their eyes change color.
Not exactly his eye's color change, but his left eye