Publication Information
- Protagonist : Arata
- Japanese : アラタ
- Version : A.R.World
- Type : Agent Of ZECT
- Rider Users : Kamen Rider Gatack
- Gender : Male
- Season : Kamen Rider Decade
- HomeWorld : Earth (World of Kabuto)
- First Appearance : Kamen Rider Decade Episod 16 : Warning Kabuto is Out of Control
- Last Appearance : Kamen Rider Decade Episod 17 : The Grandma Way of Taste
- Number of Appearances : 2 (Decade)
- Portrayer : Tetsuya Makita
- Main View : Full Episod
Arata is an agent of ZECT under Otogiri who uses the Gatack Zecter to transform into Kamen Rider Gatack. He is the only member of Otogiri's group to support Kabuto, and attempts to defend him. But when he sees Otogiri with Mayu, he attempts to reason with him before he is attacked by ZECTroopers, escaping them to call Tsukasa Kadoya and the others for help as he learns that he and ZECT are being played by Otogiri.
Forms
Gatack Masked Form
- Gatack Masked Form
- Henshin! ― Transformation announcement
- Height : 190cm
- Weight : 134kg
- Punching Power : 8t
- Kicking Power : 9t
- Maximum Jump Height : 19m
- Maximum Running Speed : 100m/8.9s
- Masked Form is a heavily armored form resembling a pupa. This is Gatack's default form, armed with the Gatack Vulcan to mow down any Worm unfortunate to stray in Gatack's line of sight in a hail of bullets specialized to kill Worms, until he opens up the horns on the Gatack Zecter, like a switch, to initiate the Cast Off command.
Gatack Rider Form
- Gatack Rider Form
- Cast Off : Change Stag Beetle! ― Transformation announcement
- Rider Height : 194cm
- Rider Weight : 97kg
- Punching Power : 3t
- Kicking Power : 7t
- Maximum Jump Height : 36m
- Maximum Running Speed : 100m/5.8s
- Finisher Power : 19t
- Rider Form is the sleeker, faster, and more offensive form that closely resembles the stag beetle motif.
- In this form, Gatack has access to the Clock Up command which allows Gatack to travel at near-light speeds to match the speeds of the Worms.
- By pressing a button three times on the belt in succession, Gatack can perform his tachyon-powered Rider Kick, a jumping roundhouse kick.
- Gatack also has a Rider Cutting attack, where he takes the Gatack Double Calibur and uses them to perform a scissor-like cutting attack.
Equipment
- Device
- Gatack Zecter : Transformation device for Gatack
- Gatack Rider Belt : Transformation Belt for Gatack
- Gatack Rider Brace : Transformation Brace for Gatack
- Weapons
- Gatack Vulcan : Gatack's personal weapons in Masked Form
- Gatack Double Calibur : Gatack's personal weapons in Rider Form
- Finisher:
- Rider Kick : Gatack presses the full throttle button on the Gatack Zecter thrice and resets its mandible-like Zecter Horns back to their default position.
- Rider Cutting : Gatack's alternative attack via the Double Caliburs' scissor configuration that clutches the adversary between the ion-charged blades where they are split in two.
- Original Version : Arata Kagami
