Well, all right ...
Favorite of all time -- Wakanohana III
Favorite now -- Hoshoryu for his potential, Wakamotoharu has the most beautiful sumo though
Least favorite of all time -- I don't waste memory space on that
Least favorite now -- Hakuyozan. May he retire soon so that I can forget him ...
@sumostomp.bsky.socialOk, let's get in on this"
Favourite of all time: Harumafuji
Favourite now: Kirishima (Tobizaru honourable mention)
Least favourite all time: Ryuden
Least favourite now: Ryuden (Tohakuryu if we are talking purely sumo, though)