Could you be more specific on which chick you need identifying?
Picture #1 Looks like a Red Cochin
Picture #2 need better photos
Picture #3 need a better photo
Picture #4 Silkie mix perhaps
Peep - Maybe ab Old English Game or Dutch bantam
Blue - d'Uccle not sure on color though
Happy - Need a better photo
Bambi - Need a better photo, but maybe an Old English Game
#5 - Silkie