Wheel

"Roll to be nearly invincible or ride a Wheel Helper! Beware thorns and holes."

Wheel is one of Kirby's Copy Abilities.

The Wheel ability is made for getting places fast and taking out enemies along the way. Normally wearing a backwards red baseball cap, Kirby can turn into a big pink wheel that zooms along the ground, destroying nearly any foe or obstacle and making Kirby almost completely invulnerable. An obvious downside to this is that although he is fast and damages enemies on contact, he is very hard to control, especially because he is incapable of jumping in some games. Kirby is completely vulnerable while turning. The Wheel ability is best used on flat terrain and in places where projectile-throwing enemies are sparse.

The Helper for this ability is a Wheelie (specifically a Wheelie Bike). Kirby can also board this Helper to become Wheelie Rider, a makeshift pseudo-ability that behaves very similar to the regular Wheel ability.

Wheel has had a couple of anime appearances, both involving races of some sort.

Whenever Kirby is over sparks, flames, or ice, the wheel will take on those elements and gain their properties. Ice Wheel Kirby can freeze the water he is on.

In the Super Smash Bros. series, Kirby can use an attack that is similar in function to the Wheel ability by inhaling Jigglypuff (however, it can only hit one target at a time).

Kirby: Right Back At Ya!
Wheel Kirby appeared in both racing-themed episodes of the series, where of course it's the most useful. It keeps the same look, with Kirby turning into a pink tire with a star-shaped hubcab, but gains no extra powers- just pure speed. Even when it looks like all is lost, Wheel Kirby can zoom past all opposition. It's his fastest ability after Jet, though he does still get tired after a while.

In the transformation sequence, Kirby waves a checkered flag around until a tire hits him and he spins around, the tire appears on his head where it turns into the red cap, which Kirby fixes so it's on backwards.

Transformation Sequence
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Kirby (Wii)
Wheelie Rider technically appeared in a screenshot for the game, but, since Wheel is the base for Wheelie Rider, Wheel was likely to appear in this game before it was cancelled. Wheel was probably going to retain its near-invincibility and fast speed from other games.

Other Quotes
"I ride like the Wind

FAST! TOO FAST!"

"Use lines to turn sharply!"

"I ride like the wind! Fast! Too fast!"

"Roll over your enemies! Call a helper and ride the Wheel. Watch out for thorns and don't speed!"

"Kirby turns into a wheel and can move at super speed! But watch for obstacles and excess speed!"