In Dragon Ball, Goku gains levels of Super Saiyan.

In Bleach, Ichigo can activate his Bankai and Hollowfication.

One Piece is full of strong characters, some of whom are lethal with a sword.

Some random people from One Piece laughing and joking around in a bar while looking at a Zoro poster.

This form offers no benefits, no hidden power-ups, or anything worthwhile for combat.

It is simply an adorable Chibi Luffy, and frankly, that’s enough.

These are Tankman, Boundman, and Snakeman.

A collage showing Smoker, Fujitora, and Sengoku side by side from One Piece.

Typically, when you think of a character having a form, it is a full-body upgrade or transformation.

The rest of Luffy’s forms are like this, but Third Gear, however, is unique.

These Marines are among the strongest characters in One Piece.

The Straw Hats Preparing for the Onigashima Raid in One Piece.

This form, causing Luffy to grow in size and become blue, was called Nightmare Luffy.

This form offered Luffy a temporary, but significant, boost in strength and stopping power.

At the time, this gave him more power than even Second or Third Gear.

Luffy Forms Header Image with Tankman, Gear 5, and Tiny Luffy.

Boundman (or Bounce-man) is the first form we see of Gear Four.

This form also unlocks powerful new abilities like Rhino Schneider and Elephant Gatling.

He calls this Python, and uses this to create moves like Jet Culverin and Black Mamba.

Tiny Luffy in One Piece.

1Gear Five

As Luffy himself says, Gear Five is his peak.

In Gear Five, Luffy has achieved true freedom and can do practically anything his goofy heart desires.

Here are the best Straw Hat Onigashima outfits in One Piece!

Luffy’s Gear 4 Tankman in One Piece.

Luffy Gear 3 in One Piece.

Nightmare Luffy in One Piece.

Luffy Gear 2 in One Piece.

Gear 4 Boundman Luffy in One Piece.

Gear 4 Snakeman Luffy in One Piece.

Luffy Gear 5 in One Piece.

One Piece