Flamethrower

Flamethrower is usually a move used by various characters in certain Nintendo game. The move almost always involves breathing/firing a stream of flame at the opponent.

Super Mario Bros

 * Bowser has always been shown as being able to use his flame breath both as a flamethrower and to shoot different colour fireballs at Mario. In Super Smash Bros it is always done in the "stream of fire" style.
 * Certain enemies and obstacles, such as the Firebar act as flamethrowers. The Rainbow Ride level from Super Mario 64 also has a fireplace that shoots flames.
 * The Fire Flower doesn't do this normally, but in Super Smash Bros it can be held for a flmaethrower effect which burns and pushes foes away.

Pokemon Games

 * Flamethrower is a Fire-type attack in Pokemon and is the most recognised move of the Charizard evolutionary line.
 * It has been TM35 in all games since the release of Pokemon Ruby and Sapphire Versions. It is recognised as have a good amount of power with perfect accuracy amongst Trainers.
 * In Super Smash Bros Melee and Brawl, Charizard uses this move in a manner similar to Bowser. Cyndaquill also uses this move in Smash Bros Melee.
 * Several variations of breathing fire exist in Pokemon, see both Fire (Pokémon type) and Dragon type

Wario Games

 * In the original Wario Land the Dragon Hat allows Wario to breathe flames.

Kirby Games

 * Kirby can gain the ability to breathe fire though the Fire ability.
 * The Superspicy Curry can also be used in a similar manner - this effect is exaggerated in the Smash Bros series.