Just thought of doing it. Its only from the anime I've watched not the mangas. Also the top 5 can replace one another depending on my mood so its not like I consider no.1 anime better than no.2 anime.
1: Monster
2: Gintama
3: One Piece
4: AoT
5: FMAB/ Hxh
HM: Dororo, Pluto, Mushishi