What does Theodora mean?
Feminine of Theodore, from Greek theos 'God' + doron 'gift', meaning 'gift of God'. Shares its elements with Dorothea in reversed order.
What does Charisse mean?
Generally a French-styled elaboration of Greek 'charis' (grace, kindness). Some sources propose an unrelated derivation (a cherry/Latin 'ceresia' link, or a feminine of Charles), so the grace meaning is the most-cited but not undisputed.