Grayson Mythos (グレイサン ・ミーソス Gureisan Miisosu), commonly referred to as Gray (グレイGurei), is a Sonic: Next Generation character. He is the future son of fan characters Umber the Black Dog and Raphaella the Ocelot. He is an anthropomorphic 15 year old black dog-ocelot hybrid and the younger brother to Lila Mythos.

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