Boa-Boa

The Boa-Boa^[1] (ボアボア, Boa-Boa^?), also spelled Boa Boa,^[2] is an enemy that appears in Sonic Adventure. It is a mass-produced, caterpillar-based robot created by Dr. Eggman.

Appearance

Based on caterpillars, Boa-Boas are successors to the Caterkiller. They have purple and gray armor and a body consisting of nine segments, with the head on one end and a small tail on the other. Except for their head, all the Boa-Boas' body segments have hatches on both lateral sides that spit out flames.

Game appearances

Sonic Adventure

WVSONIC6 — Boa-Boa floating above Sonic and Tails in Windy Valley.

In Sonic Adventure and Sonic Adventure DX: Director's Cut, the Boa-Boas appear in the following Action Stages for each character:

Character	Action Stage
Sonic	Windy Valley, Icecap, Lost World
Gamma	Windy Valley

In gameplay, Boa-Boas constantly glide gracefully through the air, spouting puffs of flame from their sides. In Sonic's chase, the player can attack a Boa-Boa from above or below using the Homing Attack when it is not spitting flames (doing so will damage Sonic). Hitting any segment on a Boa-Boa will blow the entire robot up. When playing as E-102 Gamma, the player can take advantage of the Boa-Boas; for each body segment the player locks onto and hits, they are granted a Time Bonus.

Sonic Rivals

In Sonic Rivals, the Boa-Boa appears as a collectible card.

Trivia

The Boa-Boas' name may be allusion to boas, a family of non-venomous, constricting snakes.
The appearance of the Boa-Boas seem to be mix of the Catakiller, Jr. and Fireworm.

References

↑ Collectible card of Boa-Boa from Sonic Rivals.
↑ Bryan Stratton (17 June 2003). "Sonic the Hedgehog's Action Stages". Sonic Adventure DX: Director's Cut: Prima's Official Strategy Guide. Prima Games. p. 20. ISBN 978-0761542865.

Sonic Adventure

Playable characters		Sonic (Super Sonic) \| Tails \| Knuckles \| Amy \| E-102 Gamma \| Big \| Metal Sonic*
Non-playable characters		Dr. Eggman \| Beta (Mark II) \| Chao \| Chaos (Chaos 1, Chaos 2, Chaos 4, Chaos 6, Perfect Chaos) \| Cream* \| Delta \| Epsilon \| Froggy \| Grandma \| Mr. Know-It-All \| Pachacamac \| Tikal \| Unnamed Sonic robot* \| ZERO \| Zeta \| Animals (Deer, Elephant, Gorilla, Kangaroo, Koala, Lion, Mole, Parrot, Peacock, Penguin, Rabbit, Seal, Sea Otter, Skunk, Swallow)
Adventure Fields		Egg Carrier \| Mystic Ruins \| Station Square
Action Stages		Emerald Coast \| Windy Valley \| Casinopolis \| IceCap \| Twinkle Park \| Speed Highway \| Red Mountain \| Sky Deck \| Lost World \| Hot Shelter \| Final Egg
Sub Games		Sky Chase \| Sand Hill \| Hedgehog Hammer \| Twinkle Circuit \| Boss
Enemies		Beat \| Bladed Spinner \| Boa-Boa \| Buyoon \| Cart Kiki \| Cop Speeder \| Egg Keeper \| Electro Spinner \| Fighter Aircraft A \| Fighter Aircraft B \| Gola \| Ice Ball \| Icecap's unnamed aircraft \| Kiki \| Leon \| mechanical fish \| Pirate \| Rhinotank \| Sky Deck's unnamed jet fighter \| Spiky Spinner \| Sweeper
Bosses		Chaos 0 \| Chaos 2 \| Chaos 4 \| Chaos 6 \| E-101 Beta \| E-101 Mark II \| E-102 Gamma \| E-103 Delta \| E-104 Epsilon \| E-105 Zeta \| Egg Carrier \| Egg Hornet \| Egg Viper \| Egg Walker \| Knuckles the Echidna \| Perfect Chaos \| Sonic the Hedgehog \| ZERO
Moves/ Techniques	Playable characters	Bolt of lightning \| Climb \| Dig \| Flight Mode \| Glide \| Hammer Attack \| Hammer Jump \| Hover \| Homing Attack \| Homing Missile Launch \| Jump Attack \| Laser Gun \| Light Speed Attack \| Light Speed Dash \| Lure Attack \| Maximum Heat Knuckles Attack \| Pick \| Propeller Flight \| Punch Attack \| Rapid Tails Attack \| Spin Dash \| Spin Hammer Attack \| Spin Jump \| Tails Attack
Moves/ Techniques	NPCs	Arm Punch \| Bomb Attack \| Bomb Gun Attack \| Charge \| Double Punch \| Earthquake Attack \| Electric Arm \| Energy Ball Attack \| Flame Thrower Attack \| Guiding Missiles \| Instantaneous Liquefaction \| Laser Beam Attack \| Homing Tail Slice \| Inhale Attack \| Marble Attack \| Phantom Shadow Move \| Punch \| Quarter Attack \| Scorpion Attack \| Shockwave Attack (Chaos 6) \| Sonic Boom \| Spin Attack \| Spinning Spike Attack \| Spouting Attack \| Squash Roll Attack \| Swing Punch
Gimmicks and obstacles		Bumper \| Bumper Car \| Cannon \| Conveyor Belt \| Crank \| Dash Panel \| Dash Ring \| Drum Can \| Explosion Trap \| Fan \| Flipper \| Fountain \| Goal Balloon \| Hanging Bell \| Helicopter \| Hint Box \| Hint Orb \| Icicle \| Iron ball \| Jump Panel (plate) \| Jump Panel (ramp) \| Laser field \| Lit Panel \| Mirror \| Monkey Detonation Switch \| Orca \| Power cube \| Rocket \| Satellite \| Slot machine \| Spring \| Spring Catapult \| Switch \| Teleporter \| Trick Jump Panel \| Wide spring \| Wind Path \| Zip Line
Objects	General	Air Bubble \| Capsule \| Cart pass \| Chao Egg \| Chaos Emerald \| Doll \| Emblem \| Emerald Shard \| Employee ID Card \| Item Box (5 Rings, 10 Rings, Bomb, Extra Life, High-Speed Shoes, Invincibility, Lightning Shield, Random Rings, Shield) \| Key Stone (Gold Statue, Ice Stone, Silver Statue, Wind Stone) \| Point Marker \| Ring \| Sandboard \| Snowboard \| Sonic Token
Objects	Level Up Items	Ancient Light \| Crystal Ring \| Fighting Gloves \| Jet Anklet \| Jet Booster \| Laser Blaster \| Life Belt \| Light Speed Shoes \| Long Hammer \| Lure \| Power Rod \| Rhythm Badge \| Shovel Claw \| Warrior Feather
English voice actors		Ryan Drummond (Sonic) \| Corey Bringas (Tails) \| Michael McGaharn (Knuckles) \| Deem Bristow (Eggman) \| Jennifer Douillard (Amy) \| Jon St. John (Big) \| Elara Distler (Tikal, Station Square Train Voice, Default Menu Voice) \| Steve Broadie (Gamma, Pachacamac, Mystic Ruins Train Voice) \| Tomoko Sasaki (Chao)
Japanese voice actors		Jun'ichi Kanemaru (Sonic) \| Kazuki Hayashi (Tails) \| Nobutoshi Canna (Knuckles) \| Chikao Ōtsuka (Eggman) \| Taeko Kawata (Amy) \| Shun Yashiro (Big) \| Kaori Asoh (Tikal) \| Jōji Nakata (Gamma) \| Tōru Ōkawa (Pachacamac) \| Kaho Kōda (Station Square Train Voice) \| Nobutoshi Canna (Mystic Ruins Train Voice) \| Elara Distler (Default Menu Voice) \| Tomoko Sasaki (Chao)
Music	Songs	Believe In Myself \| It Doesn't Matter \| Lazy Days \| My Sweet Passion \| Open Your Heart \| Unknown from M.E.
Music	Albums	Sonic Adventure Original Sound Track (Digi-Log Conversation) \| Sonic Adventure Remix \| Sonic Adventure: Songs With Attitude Vocal Mini-Album \| Sonic Adventure Original Soundtrack 20th Anniversary Edition \| Passion & Pride: Anthems with Attitude from the Sonic Adventure Era
Other		777 Slots Pinball \| Angel Island \| Auto Running \| Black Market \| Card & Pinball \| Chao Garden (Station Square Garden, Mystic Ruins Garden, Egg Carrier Island) \| Chao Stadium \| Chao in Space \| Chao Machine \| Chao Search* \| Corkscrew loop \| Debug Mode \| E-100 Series \| Egg Carrier \| Egg Carrier 2 \| Emerald Radar \| Freeze \| Life gauge \| Mission Mode \| Mystic Ruins \| Shrine of Knuckles's race \| Shuttle loop \| Sonic Adventure (LCD) \| Station Square \| Station Square Police Department \| Tails' Lab \| Tornado \| Tornado 2 \| Transporter Machine Exclusive to Sonic Adventure DX: Director's Cut*.

[0] Collectible card of Boa-Boa from Sonic Rivals.

[1] Bryan Stratton (17 June 2003). "Sonic the Hedgehog's Action Stages". Sonic Adventure DX: Director's Cut: Prima's Official Strategy Guide. Prima Games. p. 20. ISBN 978-0761542865.

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