Pop! Anime and Marty McFly Keyrings! by adaceg848th August 2016Funko News, Glam Shots, New Releases, Pop Keychains, Pop! Animation, Pop! Movies, Upcoming Releases Share this: Add these keyring companions to your life as these pocket pop key rings come to you as Anime big hitters of Naruto, Vocaloid Hatsune Miku and Attack on Titan Eren Jaeger. What’s more… Hold on to your Hoverboards! Marty McFly on his iconic Hoverboard gets the keyring treatment too! All due to be released later this month!