What does Calliope mean?
From Greek Kalliopē, from kallos 'beauty' + ops 'voice', literally 'beautiful-voiced'. The name of the Muse of epic poetry; the 'beauty' root (kallos) is explicit.
What does Dorothea mean?
From Greek Dorothea, combining doron 'gift' + theos 'God' — 'gift of God'. It is the exact reversal of the elements in Theodora/Theodore.