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Come on! I'll make mincemeat out of ya!
~ Allen O' Neil
See you in Hell!
~ Allen O' Neil's famous quote upon being defeated
.

Sergeant Allen O' Neil is the top soldier of Donald Morden and a recurring antagonist and boss in the Metal Slug series.

Biography

Past

Allen was a high-ranked sergeant in the Regular Army, known for his impressive combat skills and toughness. He was the most trusted soldier of Donald Morden, who always gave him the most complicated missions. Allen always enjoyed fighting for Morden, as much as he enjoyed staying with his wife and son after a tough day. When Morden defected from the Regular army, Allen followed him out of loyalty, disappearing with him in the subsequent years.

Metal Slug

When Morden reappeared as the leader of the Rebel Army and started his rebellion against the world, Allen was also with him, being a key piece on the insurgence. Allen was designated to protect the supply warehouse at the peak of the Kathehirt Valley, single-handedly slaughtering all the troops that dared to climb the dangerous mountain. When the Peregrine Falcon soldiers Marco Rossi and Tarma Roving climbed the mountain, they were forced to fight Allen. They defeated him, and he was presumed to be deceased.

Allen showed up again during the subsequent conflicts, always presumably dying in gruesome ways and coming back again as if nothing had happened.

Personality

Allen is a proud warrior with a strong sense of loyalty. He also likes to show himself, taunting his enemies during his fights.

Powers and Abilities

As a Sergeant of the Rebel Army and the right-hand man of Donald Morden, Allen O'Neil is skilled in both hand-to-hand combat and weaponry. His weapon of choice is M60. Despite this, Allen is fairly agile, even moreso than the Regular Army troops. Allen also possessed superhuman degrees of strength and durability, he is able to lift the Perfect Jupiter King's torso, survive explosion and bullets before dying, and even lift a buzzsaw with little effort.

Allen O'Neil's infamous ability is his immortality. Despite being seemingly killed at numerous occasions, he is able to get back and encounter the Regular Army troops once more, thus earning his nickname the "Immortal Devil Sergeant".

Quotes

Go home to Mommy!
~ Allen O' Neil
You're mincemeat!
~ Allen O' Neil
Come on, boy!
~ Allen O' Neil's catchphrase.

Gallery

Navigation

           Mslug logo.png Villains

Rebel Army
General Donald Morden | Allen O' Neil | Allen Jr. | Abigail | Beatriz | Abul Abbas | Vita | Navy | Nova | Rapid | Shizuka | Destrade | Julia | Aisha | Huracan | Izabella | Grazia | Loretta | Norah | Chloe | Dion | Edda | Vicky | Romy | Dolores | Emma | Kriemhild | Katalina | Conny | Nantes | Padwah | Growth & Cline | Naomi | Alesha

Mars People
Rootmars | Professor | Marty | Percier | Gemini Twins | Ariadna | Clone Abby | Clone Betty | Halle | Bonny | Pauline | Leone | Clario | Unsigned

Amadeus Syndicate
Amadeus | White Baby | Iron Fortress | First Baby

Ptolemaic Army
Avatar of Evil | Ptolemaios | Dragunov | Yoshino | Caroline | Veronica | Mira | Towa | Sisilia | Simon | Miharu | Chunyan | Sho | Beecham | Owen | Damian | Maria | Sally | Achetto | Lucy | Phoebe | Josette | Mizuna | Svetla

Invaders
Invader King | Odette | Annette | Nowan | Franke | Bersek | Rillacle | Teleko | Schwarz Metzelei | Fedeln Metzelei | Bloom Metzelei | Geweih Metzelei | Odile | Purple King | Barbeln | Biene Goldenes | Drache Goldenes | Swordeist

Phantom Squad
Hilde Garn | Macba | Kanan | Lt. Wired

Oguma Corporation
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