Millennium Pendant (Titan's item)

The Millennium Pendent (as Titan called it) was a fake remake of the Millennium Puzzle used by Titan to steal people's souls.

Yu-Gi-Oh! GX Anime
It's unknown how Titan made the knock off Millennium Item. Titan used it to steal an unnamed man's sould and sent it to the shadow realm. He was later hired by Doctor Crowler to steal Jaden Yuki's soul. He did so by taken Alexis hostage. However near the end of the duel Jaden realized the Millennium item was a knock off of the Millennium Puzzle and threw his Elemental Hero Avian card at the Pendant and broke it.