Canon
Yayoi Takatsuki ► Yayoicchi
Iori Minase ► Iorin
Chihaya Kisaragi ► Chihaya-oneesan
Takane Shijou ► Ohimechin
Miki Hoshii ► MikiMiki

asgardeventide

Souji Seta ► Ojisan, Soujin
Yosuke Hanamura ► Junior
Rise Kujikawa ► Obasan

Vanitas ► Mr. Grinch

The Boss ► Yakuza-san

Shiage Hamazura ► Hamurin

Gokudera Hayate ► GokuGoku

Alduin ► Alduin-san (too intimidating for an actual nickname)

Yuri Petrov ► Petropyon

Miles Edgeworth ► Smiles

Kaz ► Inspector