
If you have questions about the conjugation of Каллиопа or Russian nouns in general, you can practice and get feedback from a professional tutor.
- Каллиопа... - Не начинай, ладно?
Calliope-- no, do not-- do not "calliope" me, okay?
Если ты про папу Каллиопы, то мой ответ: я не знаю
If you're talking about calliope's dad, then the answer is, I don't know.