Top ten villain bosses.

The god who descended upon the ninja world - Pain.

The savior of evil - Dio.

Ice Queen - Esdeath.

War maniac - Major.

The tragic ant king - Meruem.

Perfectionist - Aizen.

Evil deeds are easy to commit - Valentine.

Frieza, the Emperor of the Universe.

Bishop of Heaven's Will - Otto Apokalis.

Dangerous criminal - DC Joker.

…

Past vs. Present Series

Former Big Brother-Dying a Hero

The current big brother - Flame Pillar

Former teacher-Zefa

Current teacher-Murata Himeko