Okada Shokai started selling the "Pokemon PON Name Stamp" on Amazon.
Go collect them all!
The stamps include 151 Pokemon from the Kanto region, including Pikachu, Eevee, Charizard and Mewtwo. It can also be engraved with three Kanji, five Kana characters, or six English letters. The stamps can be used on cloth, plastic or metal surfaces and can be washed.
Source: Famitsu
Contributed by nado