A kawaii cute griffin, the fantasy mythological creature that combines the head, wings (and optionally front legs!) of an eagle with the body and tail of a lion. Can also be spelled griffon or gryphon.
Where you can buy online
You can find the design on t-shirts in most stores, but also on other products depending on the store (e.g. hoodies, mugs, stickers, notebooks, phone cases, greeting cards, cushions, socks etc).