Infiltrate the hideout of the insidious Dr. Doofenshmirtz in this black, 100% cotton baseball cap from Phineas and Ferb with an Agent P logo embroidered on the back, and the OWCA superstar in a foolproof Groucho glasses diguise on the front. Complete with fuzzy eyebrows and mustache, this is the perfect cap for saving the Tri-State Area in style.