Although he died well before the story started, Roger would be much stronger if he was alive in One Piece today.

Roger, Rayleigh, and Gaban formed the powerful trio of the Roger Pirates, each capable of taking on Yonko-level individuals.

However, it can be assumed that he truly despised Gol D. Roger because both he and Monkey D. Garp were directly responsible for his defeat, and maybe even his death. We all know about the ...