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Flutters (also called Flying Wigglers) are the winged imago of Wigglers that first appeared in Super Mario World 2: Yoshi's Island. When hit, they act like the normal Wiggler, getting enraged. Instead of flying around aimlessly, though, they charge straight for the Yoshi that hit them. In early games, they had light orange noses contrasting Wigglers' dark brown ones, though most recent appearances give both dark brown noses.
Super Mario World 2: Yoshi's Island / Yoshi's Island: Super Mario Advance 3
Flying Wigglers are only seen in the level GO! GO! MARIO!!. Just before the goal, a swarm of Flying Wigglers appear over a flat turf. They fly forward in a wavy manner. If attacked with an egg or a jump, they turn angry and charge towards Yoshi's current position, disappearing off-screen after a time. Flying Wigglers can cause Yoshi to drop Baby Mario off his back if they come into contact with him. Yoshi can defeat them with a Ground Pound or by eating and turning them into an egg. If spat out instead, they fly away. They can also be defeated by touching them as Superstar Mario.
A Flying Wiggler appears in Tetris Attack, which depicts it as a friend of Yoshi rather than an enemy. Flying Wiggler is playable in Time Trial mode, and can be fought and rescued on the Flower Stage in the main Vs. Com mode. In the SNES version, it is paired with the similarly-themed Eggo-Dil.
Yoshi's New Island
Flutters appear in Yoshi's New Island in the level Ride the Blarggwich, where they act slightly different from their original appearance. They simply fly up and down on a predetermined line, like red Koopa Paratroopas, and cannot be eaten. If jumped on however, they charge in Yoshi's direction. Their angry appearance has their original nose color, along with some other changes.
Yoshi's Crafted World
Flutters reappear in Yoshi's Crafted World during the level Weighing Acorns where they are seen flying above flower platforms and later on when Yoshi is on a bus ride. They are invincible and cannot be defeated by any means of attack. If Yoshi angers one, they swoop in his direction. Unlike previously, they will stop being angry after a few seconds.
Prior to Flutters' official introduction in Super Mario World 2: Yoshi's Island, one Wiggler in volume 6 of Super Mario-Kun transforms into a moth-like form after Bowser and a Magikoopa replace the flower on its head with a Muncher. It otherwise looks very little like Flutter, notably having its nose interpreted as a pair of pincers.
In volume 14 of the Super Mario-Kun, a Flutter gets infuriated after Mario plucks a flower off of it.
Mario Party series
Mario Party 5
Mario Party Advance
Mario Party 6
Flutters reappear in Mario Party 6, as well as the Flutter Orb which retains the same affects.
Mario Party 7
Mario Party 8
Flutter also makes several cameos in Mario Party 8. It can be found in the minigames Specter Inspector as one of the hiding enemies (found in the piano), Moped Mayhem as a racer, and in the minigame contest Test for the Best, holding the 4,000 points sign.
Mario Party: Island Tour
Flutter appears in Mario Party: Island Tour for the Nintendo 3DS. On the Star-Crossed Skyway board, Flutter appears in the first, second, and last Star Stages. It gives out ten Mini Stars to the player who reaches it. It retains its updated nose from Paper Mario: Sticker Star.
Super Mario Party
Flutter appears in Super Mario Party as a non-playable character who owns the item shop.
Super Mario Advance 4: Super Mario Bros. 3
Flutters were originally going to appear in World-e of Super Mario Advance 4: Super Mario Bros. 3, but were left unused likely due to the discontinuation of the e-Reader. They were to have the same behavior to that in Super Mario World 2: Yoshi's Island.
Mario Power Tennis / New Play Control! Mario Power Tennis
Paper Mario: Sticker Star
Flutter makes its debut in the Paper Mario series in Paper Mario: Sticker Star as Wiggler's fully grown and true form. Flutter explains he became his form after eating a plentiful amount of leaves from the forest. Flutter will offer to fly Mario and Kersti out to Bowser's Sky Castle. He also refers to himself as "grown up". In this game it appears with the brown nose of a Wiggler rather than the usual pink nose. Though Wiggler/Flutter can no longer take Mario to the shipwreck in Whitecap Beach, a pipe appears that transports Mario to the southwestern area of the island.
Mario Golf: World Tour
Puzzle & Dragons: Super Mario Bros. Edition
Mario & Luigi: Paper Jam
A Flutter makes an appearance in Mario & Luigi: Paper Jam, which marks the first time it appears in the Mario & Luigi series. After the Wiggler boss battle, a seemingly-exhausted Wiggler, along with some Paragoombas, goes up into the sky; Wiggler then takes this form for the rest of the game.
Names in other languages