What’s the catch?

interrog. What is the drawback?; It sounds good. Are there any hidden problems? Sounds too good to be true. What’s the catch?

Name	Pronounced	Usage
NÓIrÍN	-	Irish
Hana (3)	hah-nah	Japanese
Anatolius	-	Ancient Greek (Latinized)
Sanaz	-	Persian
Vanessa	və-NES-ə (English)	English, Italian, Portuguese, German, Dutch
Robin	RAH-bin (English)	English, Dutch, Swedish