Agent Pegasus is one of three members in the "WunderSquad", a division of "Kids in White".  She and her partner, Agent Gryphon, despite not being related, have a brother-sister relationship.  This includes the typical arguing that occurs between rival siblings, but also a sincere care of each other's well being.

Pegasus and her partner have recently discovered and attacked an imp named Polywerp.  Little does the Wundersquad know, they have unleashed the wrath of an ultra-evil shadow lord.

Pegasus had a cameo in "Lad of the Rings", playing the girlish Eowyn, and defeating the vile Witch King.

(Pegasus created by Wunderkind)