Pocket Pop! Keychain GameStop Exclusive Venomized Galactus. This is a rare item part of the Venomized Fantastic Four series. 

In the Fantastic Four Venomized series includes Pops, Pez, Keychains, Pins and Stickers. As well there are variants of each of these 
items. The Pops and Keychains have Metallic variants, the Pez have  different color handle variants, and the Pins have glitter
variants. Go and collect them all!