Edo Owada is a human boy with a parasite named Grease. He is Mondo Owada and Filia first child and the best friend of Bluecub and Pharaoh Man Junior.
He is kidnapped in The Final Victory of the Warriors by Boss Dingo to being analyzed for a research the Reploid he was doing while he was looking for The Negatrix Trio, and to turn him into a Reploid of Advanced Power to be part of The Hard Corps, but his father Mondo stopped Dingo and saved Edo in time.
In World War of Gods, he growns up with an updated appearance, shown that now he obtains a parasite named Grease, since then, turned into friends and sidekicks.
Edo is mentioned in Mondo's ending where Filia announces her pregnancy.
Edo makes his debut appearance as a baby where he is often seen in the crib in The Rapa-House.
He is seen again in the crib in The Rapa-House.
Edo is part with Bluecub and Pharaoh Man Junior together as one unlockable fighter. Under the name of The Rapa-Nui Babies.
He, along with Bluecub and Pharaoh Man Junior are part of The Rapa-Nui Kids, one of the playable teams in the game. Since this game, having the current appearance of a child.
Edo is one of the unlockable racers in the game.
He, along with his future self appear in the game as supporting characters.
- His parasite Grease is Samson's nephew.
- He is nicknamed Franz Ferdinard by his classmates, due to an amusing fact about when he was given the WW1 homework, he said "Take Me Out!"