🟢 Characters with the (green) sign means they can be adopted for Money, Characters or Art.

🟡 Characters with the (yellow) sign means they can be adopted for Money, Characters or Art, (but Money is preferred) (Picky)

🔴 Characters with the (red) sign means they can ONLY be adopted for Money.

🔒 Characters with the (lock) sign means they are not up for adoption.

❓ Characters with the (question mark) sign means they don't have a use yet.