Guru Pathik in my opinion (I also will note that idk the guys from the comics/books)

Yeah, I also think he is the best, followed by Lao Ge. Credits:

Lao Ge image-https://www.deviantart.com/kkachi95/art/Lao-Ge-The-Rise-of-Kyoshi-807526187

Nyahitha image-https://www.deviantart.com/kkachi95/art/Team-Kuruk-The-Shadow-of-Kyoshi-851483287

Where's my man Huu, the pantless swamp bender?

Cabbage merchant

Guru pathik because he waited like 100 or more years for aang so he can tell him about chackras