Nemo-Donghae

Marlin-Eunhyuk

(but its a love relationship not father son)

Dory-Kyuhyun

Gill-Leeteuk

Bloat-Shindong

Gurgle-Siwon

Bubbles-Yesung

Deb-Sungmin/ Flo-Minnie

Jacques-Ryeowook

Nigel-Amber

Moonfish-Exo M&K

Crush-GD

Squirt-Dara

Bruce-Junsu

Anchor-Yoochun

Chum-Jaejoong

Dentist-Heechul

Darla-Jessica

This will be a very complicated story but it will be very similar to the movie but instead of the ocean and a crazy guy that collect fish its the world and a crazy guy that collects guys in search of the perfect guy for his daughter.