Bastet (full name: Bastet, the Cat of the Sun) is the supporting character and protagonist of Les Pyjamasques picture book series. She is an Egyptian goddess that is the guardian of the Solar Disc, and the daughter of Ra and Isis.
- Ailes d'Ibis: Can fly with her cape like wings.
- Griffes du soleil: Can use her claws to spark spring from the tips of her fingers.
- Tempête de sable doré: Can summon a swarm of sparkling sequins to freeze people and turn them into a golden statue.
Bastet is helpful towards the Pyjamasques when they are in trouble, and shows great determination on not giving up in a fight (especially against Apophis). However, at times, she shows to be very strict and protective on dangerous situations and initially stubborn on accepting help from the Pyjamasques in getting rid of Apophis from swallowing the solar disc. Despite this, after the group helps her, she learned that without their help, the solar disc would have been destroyed by Apophis.
Bastet wears a yellow suit with spots, consisting of a mask resembling a lioness' head. Her suit has a white cape on the back, resembling wings.