Keanu (Speedjr.gregory's Version)

"I am... ZX."

- Masked Rider ZX, as he introduces himself

Keanu is Masked Rider ZX (pronounced Z-Cross), one of the Masked Rider Warriors. He first appeared in Saban's Masked Rider, in the episode The Invasion of Leawood.

He is the last Masked Rider Warrior to have appeared.

Ecto-Accelerator Belt
The Ecto-Accelerator Belt is Keanu's transformation belt that allows him to transform into ZX.

Trivia

 * Keanu/Masked Rider ZX is the first Masked Rider Warrior with an association to Japanese culture; notably a ninja.