I was able to find this as the first result from google searching "Fire Emblem Radiant Dawn tier list" :
https://www.reddit.com/r/fireemblem/comments/azailb/rfireemblem_made_an_fe10_radiant_dawn_nutier_list/
The fact that it has Sothe at the top speaks volumes about the disconnect between the Gamefaqs Radiant Dawn board, where Smashfanatic is mostly arguing with himself out of boredom, and the r/fireemblem subreddit community at large.