CCL are chipmunk striped too.
Not sure what the yellow chick is...odd head/neck fluff on it.
Did they send an extra 'exotic' with your order?
Might want to start a new thread in the breed and gender forum with that pic and the list of chicks you ordered for help with IDing them.
'Partridge' is a color pattern, looks like that is explained on their page, many different breeds have that plumage pattern.
Olive eggers are not a 'breed' but a cross.
Personality is not breed specific anyway, you'll have to wait and see what your individual birds demeanor's are like.
Chicken...