Do Leo's outfit as a space themed lolita kimono. Donnie's as a Doctor Who meets Stargate Scinentist outfit. Raph as a tomboy with sweet touches.

Do Leo's as a casual street wear. Donnie's as a nerdy geek like bookworm.... thing? Raph's as a hardcore outfit with heavy metal stuff.

Do Leo's as anime themed outfit. Donnie's as a acomplished scientest look. Raph's as a daredevil with flames.

your suggestions. (I want these to be awesome but I've been drawing blanks and I the ones above I've been going blank)