Mavis is gentle, headstrong, intelligent, curious, dramatic, and independent. She has a little bit of an attitude, but she is very sincere and gentle. An innocent, wholesome, soft-spoken, and amiable person.

As a vampire she can transform herself into a bat form anytime, she is 125 years old despite her young appearance as a vampire.
She is married to a mortal named Jonathan and had a son named Dennis. She wants a little bit of independence and trust from her father, and often gets bored. 
