These are all my OCs, which one should be my new PFP?

^Cold, mah Icewing boi tryna look like Captain Cold-

^IDK what this dude's called, but right now he's 'German Flag Dude' and 'Hivewing Who Ate All The Pies'-

^This is Blueberrie. Blueberrie is a Rainwing. Blueberrie rolled in a puddle of blueberry juice. Then Blueberrie set himself on fire.

Blueberrie: How can I possible catch on fire?! My body is 70% W A T ER-

W H I C H   O N E   S H O U L D   I   C H A N G E   T O?!?!