He's already unlocked, if you mean Super Smash Bros.
You can get brown Kirby by defeating drag race 2 with the wing star under 29 seconds
Kirby starts as a playable character; you don't have to unlock him.
KO a kirby 5 times while on their air ride machines in city trail
there's only 1 character: Kirby (unlocked by playing the game XD)
Waddle Dee is not an unlockable character in Kirby Air Ride instead they appear as stage obstacles.
become kirby and press 2
The playable characters are Kirby, Waddle Dee, Meta Knight, King Dedede, and Waddle Doo. Kirby is the only one you don't have to unlock. The main antagonist is Drawcia, an evil witch (Also one of my favorite characters in the Kirby series!)
Kill all the CPUs in citytrial in under one min
Play 100 vs. races.
You can't. After you beat the game, you unlock a boss rush mode.
First defeat 1000 enemies to unlock the Vs King Dedede Stadium. Defeat Dedede in less than a minute in Vs King Dedede to unlock him.
You unlock all of the bloopers after you beat the True Arena.