Inka has fair skin and green eyes. Her hair is a red-purple color, and she generally wears earrings. She is most often seen wearing a black dress.
Inka is Oobi's piano teacher, and an experienced musician herself. Grampu and Inka consider themselves "very good friends," and go on dates in the "Chez Oobi!" and "Babysitter!" episodes.
- Inka makes more appearances throughout the series than any other recurring character. She is also the only recurring character to appear during an interview segment.
- Stephanie D'Abruzzo is not credited for puppeteering Inka in the credits. However, her character is listed on D'Abruzzo's online resumé.