PaRappa

PaRappa Rappa (パラッパラッパー), alias PaRappa the Rapper (or simply PaRappa), is a paper-thin rapping dog and the titular protagonist of the franchise. His adventures usually lead to difficult situations which he counters with his catchphrase, "I gotta believe!" and pulls through.

Appearance
PaRappa is a young boy who has a orange beanie with a frog on the oval thing, he has a blue sleeveless some blue jeans and Red shows but he has black ears and nose

Trivia

 * It has been revealed multiple times that PaRappa doesn't know what the top of his head looks like. In the final episode of the anime series, the others saw what was at the top of his head when the birds took it off and were freaked out by the appearance. It was covered right until the birds gave him back his hat. Also, in Stage 5 of the sequel to the first game, the stage's teacher and PaRappa say the following lines if the player fails the stage.
 * Hairdresser Octopus: Hey! Take that stupid hat off! What does it look like in there!?
 * PaRappa: I-I'm not sure myself...
 * In Bad and Awful mode of Stage 6: Taste Of Teriyaki, the frog on PaRappa's hat seems to be alive. It is worth noting, however, that the x-ray effect was most likely a cartoon gag.
 * The name "PaRappa" is a play on Japanese words meaning "paper thin".
 * In the non-games and game covers, PaRappa appears to be 3D instead of flat.
 * As of Um Jammer Lammy, his mouth gets longer and gains a sad expression.
 * Although his catchphrase, "I gotta believe!" is said by him in every pre-level cutscene (excluding UJL), only in the second to last stages (Stages 5 and 7), he does not say it. (It is said by Colonel Noodle in Stage 7: Noodles Can't Be Beat instead)