User blog comment:The Koromo/Crossover Battles We'd Like to See but Will Never Happen Outside of Fanon/@comment-2226235-20130101055301

Aokiji vs. Hitsugaya (Bleach, both ice users)

Mihawk vs. Ichigo (both have giant swords)

gear second Luffy or Lucci vs. Yoroichi (Bleach, both really fast)

Whitebeard vs. Yamamoto (Bleach) vs. younger Third Hokage (Naruto) all really strong and old