Dapli the Daspletosaurus or Agent D was recruiting by Major Monogram and Terry the Tyrannosaurus for sustitute the old Agent D. He was assistant by Terry: in Spiny and Tank Meets Rapidmon. He helps Terry Figthin, the Professor Destructicon now Dapli has a own enemy his name is the Dr. Necros.
Dapli was created by Tank as one of his experiments, one day he finds a O.W.C.A. secret lair and he founds Terry in the Secret Base, Major Monogram remembers what the Ex-Agent D was quit months ago and he recruits Dapli. His first mission was help Terry figthing Destructicon, Time later he was assigned his own Nemesis Dr. Necros.
Two Dinosaurs in The Agency
Terry the Actorsaurus
Phineas and Ferb Christmas Carol (cameo)
Phineas and Ferb the Movie: Across the 2nd Dimension (Cameo)