Not Ok With Doubles:

• Decim (Death Parade)
• Jotaro Kujo (JoJo's Bizarre Adventure)
• Levi Ackerman (Shingeki no Kyojin)
• Yomo Renji (Tokyo Ghoul)

Kinda Ok With Doubles:

• Charles Foster Offdensen (Metalocalypse)
• Ginoza Nobuchika (Psycho-Pass)

Ok With Doubles:

• Kurogiri (Boku no Hero Academia)
• Iida Tenya (Boku no Hero Academia)
• Doppo Kunikida (Bungou Stray Dogs)
• Ren (DRAMAtical Murder)
• Nanase Haruka (Free!)
• Nicolas Brown (Gangsta.)
• Walter C. Dornez (Hellsing)
• Yatogami Kuroh (K Project)
• Klaus Von Reinherz (Kekkei Sensen)
• Midorima Shintaro (Kuroko no Basuke)
• Ren Kouen (Magi)
• Winston (Overwatch)
• Mr. Bennet (Pride and Prejudice)
• Dan Yuujirou (Prince of Stride)
• Yaiba (Show by Rock!!)
• Garnet (Steven Universe)
• Hijirikawa Masato (Uta no Prince-sama)
• Charles Chrishunds (Vassalord)
• Beast/Hank McCoy (X-Men)

Kin:

• Water