Yeah, but it's not necessary. Werewolves who don't eat humans but just eat other meat are like, the vegetarians of Werewolves. Kind of. The point is, I do not consume human flesh.
Moving on, Guernica is Mr. Go, the bowler mask man that survived Kaido's attack after screwing over Luffy pre Gear 5.
He's named Guernica after the Picasso painting