Artemisia Psyche (アルテミスィア・サイキー Arutemisia Saikii), commonly referred to as Art (アット Atto), is a Sonic: Next Generation character. He is the future son of canon character Silver the Hedgehog and fan character Shamrock the Tree Nymph. He is an anthropomorphic 19 year old nymph-hedgehog hybrid and the older brother to Iris Psyche and Azalea Psyche. He inherited his mother's plant manipulation abiltiies. He exists in a future timeline since Shamrock went to the future to be with Silver.
- Artemisia is named after the plant of the same name.
- Artemisia is a female name, but the character is male.