The Koala Mercenaries are a hired trio of guards stationed inside the Rain Dinners casino in Arabasta, answering to the Warlord Crocodile. Their job was to keep intruders away from their employer, a duty that ended the moment Luffy came barreling through.
Little has ever been disclosed about what makes these three tick. What can be inferred is a basic devotion to Crocodile, the man who pays them and runs the operation they protect. Beyond that loyalty to their employer, the group has no documented quirks or motivations of its own.
Being trusted to shield Rain Dinners implies a certain baseline of muscle, since a casino owned by a Warlord would not staff its halls with weaklings. That assumption did not hold up under pressure. When a genuine threat arrived in the form of Monkey D. Luffy, the trio fell almost instantly.

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During the events in Arabasta, Luffy stormed into Rain Dinners determined to reach Crocodile. The three guards positioned themselves to block his charge, but he plowed past them with ease and they were taken out in moments. The unit is now listed as disbanded.
One of the three, the member shown at the center of the group, later turned up as a usable fighter in One Piece Treasure Cruise, where the game mistakenly labeled him as a Billions agent hoping to climb into a numbered rank.
The Koala Mercenaries are a hired trio of guards stationed inside the Rain Dinners casino in Arabasta, answering to the Warlord Crocodile.
The Koala Mercenaries were tasked with keeping intruders away from their employer Crocodile and protecting the Rain Dinners casino in Arabasta.
When Luffy stormed into Rain Dinners determined to reach Crocodile, the three Koala Mercenaries positioned themselves to block his charge, but he plowed past them with ease and they were taken out in moments.
After their defeat by Luffy in Arabasta, the Koala Mercenaries are now listed as a disbanded unit.
One member of the Koala Mercenaries, the one shown at the center of the group, later turned up as a playable fighter in One Piece Treasure Cruise, where the game mistakenly labeled him as a Billions agent hoping to climb into a numbered rank.
Looking for more on Koala Mercenaries? The One Piece Wiki on Fandom has a dedicated page with community notes.
View on FandomThis content is original writing by Daddy Jim Headquarters based on the One Piece anime series, manga, and official materials. Episode and chapter references are cited where applicable.
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