Paimon is bubbly, out-going, but almost a little too honest, somewhat naive and occasionally comes off as rude. She is obvious about who she likes and who she doesn't like, giving "ugly nicknames" to those who annoy her, such as when she refers to Venti as a "Tone-deaf bard". She tends to refer to herself in the third-person point of view.

Voice Reference: https://www.youtube.com/watch?v=oZQ-2pI1ehg&ab_channel=PaulBiederman

Don't worry if you don't sound exactly like the original voice actor, just aim to portray the character as well as you can.