It's basically his fist on a chain.

Transformers sometimes use maces for melee weapons. A mace with the head connected to the handle by a cord, hinge, or chain is typically called a flail. For any similar weapons, see war hammers.

Fiction

The Transformers cartoon

• Megatron deployed an Energon mace as he battled Optimus Prime atop the Sherman Dam. More than Meets the Eye, Part 2
• Sharkticons' tails end with a spiked ball, which turns into a flail in robot mode. When sentenced to death by the Quintessons, Kup ripped off a Sharkticon's tail and used it to defend himself from the swarm of hungry executioners. The Transformers: The Movie
• During his time as a slave to the Quintessons, U-Haul Robot used a flail and shield to fight in gladiatorial combat.

Victory

• Deszaras wields a flail.

Beast Wars

Many Beast Era characters had hand-to-hand weapons in addition to any ranged projectile weapons (for example, the Transmetal characters were initially designed with hand-to-hand weapons ONLY!). These varied quite a bit but did include several maces and flails.

• When Optimus Primal was resurrected by Rhinox and upgraded to a Transmetal, he possessed two maces accessible in both robot mode and flight mode and capable of deflecting laser blasts. They could also be converted into a dual-cannon harness in robot mode Coming of the Fuzors (Part 2)

• Transmetal 2 Spittor's beast mode tongue converts into a mace in robot mode.
• Transmetal 2 Iguanus's missile becomes a mace in robot mode.

Beast Wars Neo

• As a redeco of Armordillo, Bump also wields a flail.
• Due to his beast mode being an Euoplocephalus, Bazooka has an organic mace attached to the end of his tail in beast mode. In robot mode his tail's pounding attack gimmick is weak but still present.

Robots in Disguise 2001

• Slapper, a repaint of Transmetal 2 Spittor has a mace that converts into his beast mode tongue.
• Tow-Line is armed with a flail weapon.

Unicron Trilogy

• Slapper is a redeco of Bazooka and therefore has all of the original mold's weapons.
• The Battle Ravage drones possessed a flail which turned into its beast mode's tail.

Universe

• A redeco of Iguanus, Reptilion also has a mace (or walking stick) in robot mode.

Kiss Players

• Sharkticons made an appearance in the Kiss Players manga.

Robot Masters

• As another redeco of Armordillo, Psycho-Orb wields a flail as well.
• Wrecker Hook's Boost Hammer is a flail made of solitarium.

Live-action film series

• Megatron had a retractable flail in his right arm, though it was sometimes referred to as a chain whip. He first deployed it to smash the equipment in his containment hangar out of the way. When a puny fleshling refused to hand over the AllSpark cube, Megatron demonstrated the foolishness of this response by using his flail to smash the concrete statue the human was holding onto for dear life. Transformers In the console game, Megatron can use his flail to send enemies flying (PS2 controls: hold L2 + Square). In the Decepticon campaign's final cinematic moments, he uses his flail to kill Optimus Prime. Transformers The Game
• Kickback's hand turns into a mace, which can be extended into a flail.
• Scrapper's left hand can be turned into a flail. It's basically his fist on a chain.

Transformers Animated

In Animated, most Autobots were designed to have "non-weapon" weapons which left several Autobots with maces, flails or clubs.

• Bulkhead's main weapons, wrecking balls stored in his hands, are used as flails in the series.
• Swoop carries a flaming mace.
• Snarl's weapon is a big flaming cheeto club, which is essentially a primitive mace.
• Lugnut's weapon, made out of his plane mode tail section, is described as a "power mace" on his toy packaging.

Transformers: Prime

• Bulkhead, much like his Animated predecessor, can transform his hands into maces but can only use them for close-quarters bashing.

TransTech

• The Blastcharge Strika Drones who guard the offworlder maximum security prison use vibro-maces.

Toys

If you build it, they will play. This toys & merchandise-related article is a stub. You can help Transformers Wiki by expanding it.

Beast Wars

• Optimus Primal (Ultra, 1996/1997/1998)

Optimus Primal's Ultra Class gorilla toy possessed a totally metal skull-shaped flail that could be stored in his right arm, which sadly wasn't used for his cartoon appearances.

• Optimus Primal (Mega Class Transmetal, 1998)

Optimus Primal's new toy came with two maces, which he could use as ammo for his hand-held firearm.

• Armordillo (Basic, 1996)

One of Armordillo's beast mode feet converts into an arm-mounted flail in robot mode.

Transformers Animated

• Prowl (Deluxe, 2008/2010)

Although never appearing in the show, Prowl's toy is armed with a flail-like traffic light weapon.

• Prowl Elite Guard Version (Deluxe, 2010)

Being a redeo of the above mold, the chain weapon comes along for the ride, this time redoed in white.

Notes

Rhinox's Chainguns of Doom seemed to have been originally conceived as twin flails on a rotating mechanical handle.

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