Hypnos
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CONTENT WARNINGS: MENTIONS OF PHYSICAL, EMOTIONAL & SEXUAL ABUSE
Hypnos, one of the hundreds of children of Nyx and Erebus, is the God of Sleep, though due to an utter inability to manage his own powers, the scope of his realm is specifically restricted to the Underworld and Olympus rather than the mortal world (which is handled by his older brothers, Morpheus and Phantasos.) Gently ditzy and narcoleptic with a “golden retriever” vibe, Hypnos is unfortunately the twin brother of villain Thanatos and is inexorably linked to him, having spent most of his life under his thumb and scythe.
Hypnos is Maci's best friend since childhood, and was also briefly her former lover - it's complicated.