loona is gonna be undyne so she has to sound angry and mean but also not sometimes it really depends. loona will NOT be singing so you have to do an extra line hope that's ok. i really like loona but undyne is kinda meh so idk but maybe just maybe if you reaaaally wanna do a song and you get casted i will listen to your voice and i will let you know.

Loona is a cynical and choleric young-adult Hellhound, who was adopted from an orphanage by blitzo when she was nearing eighteen years of age. Loona is lazy and shows little interest in matters that are going on around her. She also has a short-fuse temper and is often rude and apathetic toward her colleagues, particularly moxxie, though her ire seems otherwise indiscriminate. When not looking at her phone, Loona is usually scowling at anyone in view.