A colossal descendant of the legendary Oars, Little Oars Jr. captains the Little Pirates and once fought as a Whitebeard subordinate. At Marineford he threw himself through wave after wave of enemies in a desperate bid to reach Ace, refusing to fall even as his body was wrecked.
He is an extraordinary giant, roughly 60 meters tall, about three times the height of an ordinary fully grown one, his nickname a nod to an even larger ancestor. The family resemblance is strong: huge forearms and hands, a small lower body, and a barrel-shaped gut. Yellow-green skin, orange hair trailing down to his legs, jutting fangs, upward horns, dark triangular marks above the eyes, and stubble on the chin complete the picture. A beaded necklace of three skulls hangs in place of a belt, but his most cherished item is the enormous kasa hat Ace made for him, usually resting on his back. Over his frame he wears a black jacket-like garment, chained armor plates guarding chest and back, and a camouflage-pattern loincloth held by a fur-lined belt, while a single-edged sword with a long red-wrapped hilt suits his scale.
At heart he is warm and kindly, a carefree soul who treasured simple joys like the straw hat Ace gifted him. Determination and loyalty run deep in him, and so does stubbornness: struck by Kuma's Ursus Shock, run through by Moria, and robbed of a leg by Doflamingo, he still pressed on to save his friend. That endurance echoes his ancestor, even as his gentle nature stands opposite to the original Oars' brutality.
His friendship with Ace was sealed by the giant kasa, which Ace learned to weave in Wano and burned through two attempts with his flame powers before getting it right, leaving Oars Jr. able to stand out in the open shielded from rain, sun, and snow. When word came that Ace faced execution, he and his crew rushed to join Whitebeard's forces. At Marineford he plowed through the Marine ranks heedless of his own safety, taking Ursus Shock that shattered his blade, losing the lower half of a leg to Doflamingo, and finally being impaled through the chest by Moria, after which he collapsed. His fallen body then jammed a section of the siege wall and clogged its gears with his blood, opening a path for his allies. Waking again, he carried Whitebeard's hidden ship straight through the breach into the plaza before cannon fire knocked him out for the rest of the war, his ultimate fate left unknown. His raw power matched his size: he could hurl battleships, beat Vice Admiral Lacroix with ease, and weather blows from three Warlords, all reflected in a bounty of 550,000,000 berries.

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Little Oars Jr. is a descendant of the legendary giant Oars rather than his confirmed literal son; his name and Jr. title honor that lineage, and he is also known as Oars III.
At the Battle of Marineford, Little Oars Jr. joined Whitebeard's forces to save his friend Ace, pushing through wave after wave of Marines despite being struck by Kuma's Ursus Shock, run through by Moria, and losing part of a leg to Doflamingo. He collapsed, briefly revived to carry Whitebeard's hidden ship through the siege wall, then was knocked out by cannon fire, leaving his ultimate fate unknown.
Little Oars Jr. is 70 years old at his debut and 72 years old after the two-year timeskip in the One Piece story.
No, Little Oars Jr. is not bigger than Oars. Standing roughly 60 meters tall, he is about three times the height of an ordinary fully grown giant but still smaller than his massive ancestor, which is reflected in his Little nickname.
Little Oars Jr. shares a close friendship with Portgas D. Ace, who wove him a giant kasa hat that lets him stand out in the open shielded from rain, sun, and snow. That bond drove Little Oars Jr. to rush to Marineford when Ace faced execution.
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