Maria is a caring mother to her children. She enjoys spending time with them. She didn't want her children to feel lonely, when she's at work, so she moved with them to her extended family. She also enjoys playing video games with her sister-in-law.
She is a tall, slim Latin-American woman with dark tan skin, black hair tied up in a tight bun, and two pairs of eyelashes.
Initially, she was normally seen wearing a nurse uniform which consists of a white scrub, a white cap with a red cross, and black short heeled shoes. Currently, she wears a blue nurse uniform. She also occasionally wears more casual attire, which consists of a pink sweater, purple pants, and orange flats.
Maria constantly wears her nurse uniform, even when she isn't at work.
Though she has occasionally been seen without her hat.
Also, her casual attire consists of a pink sweater and purple pants.
In "Friended! with the Casagrandes", Arturo and Maria are confirmed to be split up, which means that they are likely separated or possibly even divorced.
In Operation Dad, it is confirmed that they are actually divorced.
Maria's first Polish dubber, Aleksandra Radwan, also voices Lily and Ronnie Anne.
Maria's second Polish dubber, Anna Gajewska, also voices Lola.