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In Mega Man 6, he was upgraded and gained the ability to fuse with Mega Man to form the Power and Jet suits. In Mega Man 7, his jet and coil abilities returned, but he now had Rush Search, a detection mode. Also, both of his suit transformations were combined into one: the Super Adapter. In Mega Man 8, he has four new abilities, including a transformation into a motorcycle and healing abilities.
New Rush Coil (ニューラッシュコイル,New Rush Coil) is the modification of the Rush Coil from Mega Man 5. Rush's legs become the coil, and Rush is propelled with Mega Man. Mega Man must leap off Rush to reach his target.
MM8Rush Jet (ラッシュジェット,Rush Jet) transforms Rush into a flying sled which Mega Man can ride. Its usage differs greatly from Mega Man 3 to Mega Man 4 and onward.
In Mega Man 3 and Mega Man II, Rush Jet will stay underneath Mega Man under any circumstances unless he hits a wall. He acts as more of a personal hover device instead of a jet, allowing Mega Man to move in any direction, or stand still entirely and Rush Jet will stay beneath him. Also, Rush Jet's energy will only deplete if Mega Man is currently standing on him. Because of this, if a player continuously jumps, large pits can be crossed with using little or no energy.
In Mega Man 4 and later games, Rush Jet becomes more of a jet, his energy continually drains, and he will continuously move in the same direction (will make slight variations in vertical movement at the player's discretion), acting much more like Item-2 from Mega Man 2. This change was made because once Rush Jet was acquired in Mega Man 3, it could be used to bypass situations where Rush Coil or Rush Marine were required and did so more effectively and easily than they could.
When Rush appears in Mega Man 2: The Power Fighters, he will turn in Rush Jet and hit the boss when Mega Man uses a charged attack. Mega Man can also leap higher into the air should he jump on Rush's back (Rush Coil).
In Mega Man 8 there are two rush jet segments in total. The first one is seen in Tengu Man's stage and the last is seen in Wily's castle stage 2. It also featured giant Party Balls which contain power ups, the list of character powerups is Beat, Eddy, Auto and a cannon for Rush.
Mega Man using Rush Jet in the Ruby-Spears cartoon
Rush Marine (ラッシュマリン,Rush Marine) transforms Rush into a mini-submarine that can move freely in all directions underwater. It only functions in water, but is able to fire buster shots. In Mega Man 3, the Rush Marine can jump from the water and move on land by jumping continuously. Rush is unable to jump out of water in other games.
Rush Space (ラッシュスペース,Rush Space) is an adaptation of Rush used in some of the Game Boy games that allows Mega Man to quickly travel through space. In Mega Man V, Mega Man uses this version of the Rush Jet in the stage he goes to the Wily Star and fights against the Skull Blazer. Its appearance appears to be a combination of the Rush Jet and Rush Marine.
Adapters
Rush Power Adapter
Rush junctions with Mega Man to become Power Mega Man. Power Mega Man is able to break blocks and penetrate enemy shields by charging punches. These punches act as energy projectiles that travel a short distance, with each form becoming more powerful the longer the FIRE button is held down (though stronger shots have less range). Power Mega Man can also push enemies back and can even push blocks in certain stages. Mega Man cannot slide in this form, however.
Rush junctions with Mega Man to become Jet Mega Man. Jet Mega Man is able to use weapon energy to fly, and the energy recharges while grounded. Mega Man cannot charge his Buster or slide while using this form.
The Super Adapter (スーパーアダプター,Super Adapter) is a combination of the Rush Power Adapter and the Rush Jet Adapter. Its only appearance was in Mega Man 7, and is obtained by collecting the R, U, S, and H plates. They can be found in the stages of Cloud Man, Junk Man, Freeze Man, and Burst Man. The Mega Buster is replaced by a flying fist attack, similar to the Rush Power Adapter. The flying ability was reduced compared to the Rush Jet Adapter. Mega Man can't slide while equipped with this adapter.
There is an upgrade of the Super Adapter called Hyper Rocket Buster that can be bought in Auto's shop after obtaining his Hyper Bolt, or found in Turbo Man's stage, use Rush Search in the platform where lies the third Trio the Wheel. Use Rush Search on the platform when the enemy isn´t there anymore in order to obtain the upgrade. The Hyper Rocket Buster allows Mega Man to shoot his arm with a homing effect.
Mega Man 7: Find the R, U, S, and H Plates. The Hyper Rocket Buster can be found in Turbo Man's stage or bought from Auto after finding his Hyper Bolt.
The process of Rush Search with some of the possible results
Rush Search (ラッシュサーチ,Rush Search), also called Search Rush, teleports Rush in front of Mega Man's location and he digs for items.[2] If he is hit, he will teleport away, and sometimes he only finds garbage, such as apple cores, old boots, and even a rag doll. Several of the CDs in Mega Man & Bass can only be recovered using Rush Search, and the CD Finder upgrade helps locate them. In Mega Man 7, he will bark when close to a secret area. In Junk Man's stage, there is an easter egg; if Rush Search is used at the very beginning of the stage, he will dig up a Gameboy. This has been a source of much humour in the Mega Man franchise.
Rush Bike (ラッシュバイク,Rush Bike) transforms Rush into a motor-bike. Mega Man can fire weak projectiles from Rush's mouth and the extra speed allows for longer jumps to be made. While riding Rush, Mega Man doesn't take damage, but Rush's energy gauge depletes when hit.
Rush Vision (ラッシュビジョン,Rush Vision) is a holographic projector used by Rush in Mega Man 8 and Marvel vs. Capcom to Mega Man communicate with Dr. Light. In Mega Man 9, Mega Man uses Rush's projector to show Wily his defeats from previous games.
Rush Drill
Rush Drill (ラッシュドリル,Rush Drill) is a transformation used in Marvel vs. Capcom, where Rush takes the form of a drilling machine and run over enemies.
Rush Drill was originally planned to appear in Mega Man 3, but the idea was scrapped. [3]
Rush transformed into a PWC in the Mega Man animated series.
Rush transformed into a hang glider in the Mega Man animated series.
Rush transformed into a snowmobile in the Mega Man animated series.
Rush action figure from the Mega Man animated series.
Concept of the Rush Drill from Mega Man 3.
Trivia
Rush's character concept is loosely based on Friender, a support unit of Neo-Human Casshern, a Tatsunoko character, since Friender has the same ability of transforming into various vehicles for Casshern. Friender can be seen transforming into a jet, a drill-tank, and a submarine similar to Rush.
In the Ruby Spears cartoon, Rush is modeled after Scooby-Doo, as is evident from his antics and him enjoying to eat "Battery Biscuits" (the cartoon's equivalent of "Scooby Snacks") before performing the tasks given to or pleaded of him by the characters.
Rush Roadster in MMZX
Rush appears inMega Man ZX in area C-3 as a toy car (Rush Roadster), belonging to one of the two twins. The other twin is in possession of the Red Striker toy.
In Mega Man 3 and Mega Man II, the Rush Coil used three units of weapon energy. In later games, it only used two units. (The New Rush Coil in Mega Man 5 used four units.)
One of the reasons why Rush Drill was removed from Mega Man 3 is probably because the player could skip most parts of the level using it.
In Mega Man: Upon A Star it is shown that Rush can speak and that he alternates between making typical dog sounds and speaking, but most of the time he only parrots other characters and also appears to have a limited ability for independent speech. This is possibly why in Rush's Mega Man & Bass CD data he has a quote, while Rush's counterpart Treble only says "Grrrrrrr."
Rush Coil (ラッシュコイル) is a coil platform that emerges from Rush's body and propels Mega Man to a higher level.
MM8
Rush Jet (ラッシュジェット) transforms Rush into a flying sled which Mega Man can ride. Its usage differs greatly from Mega Man 3 to Mega Man 4 and onward.
Super Adapter
