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For the character in Sonic X, see Leon.

The Leon[1] (レオン[2][3] Reon?) is an enemy that apepars in the Sonic the Hedgehog series. It is a mass-produced, chameleon-based Badnik model created by Dr. Eggman which can camouflage itself.


Based on chameleons, Leons closely resemble Newtrons in design. By comparison, Leons have longer insect-like legs with gray and white weights as feet. Like Newtrons, they also have a long tail with a curled tip.

In Sonic Adventure, Leons possess a jungle green, gray and yellow color scheme, while in Sonic Advance, they possess a purple and orange color scheme. They also have shorter legs in the latter title.

Game appearances

Sonic Adventure

In Sonic Adventure and Sonic Adventure DX: Director's Cut, Leons appear as enemies. They are encountered in the following Action Stages for each character:

Character Action Stage
Sonic Windy Valley, Lost World
Tails Windy Valley
Knuckles Lost World
Amy Hot Shelter
Gamma Windy Valley, Hot Shelter

In gameplay, the Leons have the ability to turn invisible to avoid detection and sneak on enemies with their tongue and tail lashing.

The Leon sticking out its tongue to attack the player, from Sonic Adventure.

Leons only use their tongue attack in the Dreamcast version of the game. In Sonic Adventure DX: Director's Cut and the 2010 rerelease, Leons never stick their tongues out and instead continually fade in and out, tending to avoid the player. This altered behavior is due to the Badnik's invisibility timers not being adjusted to compensate for the increased framerate. As a result, it turns invisible too quickly for it to get a chance to attack, and therefore never attacks the player as a result.[4]

Sonic Advance


In Sonic Advance, Leons return as enemies. They can be encountered exclusively in Angel Island Zone.

In gameplay, Leons simply crawl back and forth within their designated area. Their method of attack is lashing out with their large tongue when the playable character is close. Using the Spin Jump or any melee moves can defeat a Leon easily. Also, upon their destruction, they will release an Animal.

Powers and abilities

Leons have the ability to turn invisible to avoid detection and sneak on enemies. They also possess a long and powerful tongue and tail.

See also





  1. Sonic Adventure (Dreamcast) United States instruction booklet, pg. 32.
  2. Sonic Adventure (Dreamcast) Japanese instruction booklet, p. 34.
  3. "敵キャラクター紹介" (in Japanese). ソニックアドベンチャー オペレーションガイド. SoftBank. January 1999. p. 150. ISBN 978-4757203006.
  4. PkR (21 February 2018). Issues with SADX "enhancements". The Ultimate Guide to Sonic Adventure DX Sins. Retrieved on 9 September 2018.

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