Ἥρα = heera
None. However, a close one is 'Hera'.
In Greek capital letters, Heracles is spelled as ΗΡΑΚΛΗΣ.
In Greek capital letters, "Stavros" is spelled as ΣΤΑΥΡΟΣ.
Ͱερμης
The Greek word for "Hercules" is "Ηρακλής".
Ͱηρακλης = Herakles
Elies.
Demeter: Δημητηρ
Those letters spell cannibal and have nothing to do with Greek mythology.
In Greek letters, "yiayia" is spelled γιαγιά. It means "grandmother" in Greek and is a term of endearment used for one's grandmother.
Απόλλων : Apóllo̱n
Hera in greek is 'Ηρα.