Arsene Amulet

"The make alone is pretty nice... 'Bout 60 years old-Eh, 65, give or take. 'Prolly worth at least a few thousand bucks. But when you throw in the fact that you can steal any epithet you want with this baby? I can think of more than a few people who'd wanna get their hands on this thing."

The Arsene Amulet is an ancient necklace that made its first appearance in the episode "The Doctor is In".

As its creator imbued it their epithet, "Copycat", the amulet has the unique ability to steal another inscribed person's epithet entirely and give it to whoever wears the necklace. Because of this, many different people have sought to obtain it for many different reasons.

Physical Appearance
The amulet is a golden pendant with a large, green heart-shaped gem in the center. The outer shell has cat-like features such as whiskers and ears, to reference its original creator's epithet, "Copycat".

Trivia

 * Its name is based on the notorious literary thief Arsène Lupin.
 * In the Anime Campaign, it was called the Gemini Necklace.