Agent D (dog)

Agent D is a dog, his first name is unknown, not much is shown of him but he was seen in "Traffic Cam Caper". He was injured, along with Agent O, by Dennis, the rogue agent, and had his right arm/paw in a sling ("No More Bunny Business"). He was also helping Carl with a drawing of Dennis.

Physical appearance
Agent D looks like a generic brown dog. He is possibly a hound, beagle, pointer, or smooth fox terrier.

Appearances

 * "Traffic Cam Caper"
 * "It's About Time!"
 * "No More Bunny Business"
 * "Phineas and Ferb Christmas Vacation!"
 * "Robot Rodeo"