Name: Jack Imai

Alias: Kamen Rider Grease, The Machine Hero, The Robot Rider, The Potato Idiot (Call by Sam & Rick)

Character Type: Anti-Hero (Formerly), Hero, Protagonist

Look:

Age: 17

Gender: Male

Species: Human

Affiliation: Nascita, World Hero Academy, Team Build

Occupation: Chef, High School Student, Vigilante

Background: Jack Imai was cousin of Lisa Imai and he love reading Maid Magazine & flirting with girl, he join Faust as anti-hero to fight Build & Cross-Z and he have his three friend known as The Crow Trio who can become Smash. He kept secret from Lisa and Sayo because he worry that they hate him after see him as villain.

Likes: His friend, Wile E Coyote, Hina Hikawa, Helping people, Saving people, Cooking Potato food, Flirting with girl, Reading Maid Magazine 

Dislikes: Evolt, Arkham Knight, League Of Villain, Bully, Pervert, Idiot, People who hurt his friend, People who insult his friend

Companion: Wile E Coyote

Relatives:

Lisa Imai [Cousin]

Love Interest: Hina Hikawa

Rider Forms:

Grease [Primary Forms]

Grease Blizzard [Final Forms]

Grease Perfect Kingdom [Extra Forms]

Quotes:

- The fire of my heart...passion...

- I'll crush you with the fire burning in my heart!

- This is it! This is the battle I wanted!

- I am ready.