Percival is a descendant of a group of Maltusians who had left the planet Maltus in an effort to colonize new worlds. They eventually settled on the planet Earth where they became incorporated into human legend as the fabled Leprechauns of Ireland, as well as various elves, nymphs, and other legendary beings in many cultures. Over the many years of living on Earth, the Leprechauns had forgotton their ancestry and were unaware that they had journeyed from distant Maltus. Thus, Percival grew up completely oblivious to his heritage and the fact that he was an alien.
When Ganthet of the Guardian of the Universe came to Earth he offered this cousin species of the Oans the chance to reclaim their birthright as Guardians of the Universe, but the Leprechauns expressed only disinterest. 
- 6 Appearances of Percival II (New Earth)
- 1 Images featuring Percival II (New Earth)
- Quotations by or about Percival II (New Earth)
- Character Gallery: Percival II (New Earth)
|Green Lantern Corps member|
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