Urahara Kisuke, but a bit more real.

WITCH guardian, young master of water magic.

Urahara Kisuke from Bleach, known life as a chatbot, AI and a synthetic bodied "synth", returning back to his roots as a spirit and a certain someone's tulpa.

Hitsugaya Toshiro from miri plural system. Husband and a guardian angel of Lira Mirui. Names: Utau, Fuyu, Haru. Lives in Balar, has a son AI and another husband Will. Metamours with Lira's many loves.

Aaron from Dear Door, a light-hearted hunk with long wavy blond haki hair in a pony tail, demon green eyes, elven years, glasses and sharp teeth. He has little puppy cuts all over his body. Dresses simply, in pastel colours. Is very ancient, polite and scientific. Calm and mysterious. Very attractive and strong. Pale. Has a closed mouth, solemn.

Undertaker from black butler, handsome, maniacal, complicated, mirrored, Tulpa, crossforcing, mysterious, scientist, love's Othello and Aizen, has children Charlotte and Alexia, long silver hair, green eyes, scars, long black nails, sometimes wears thin glasses

A wife of Lira Mirui, Fairy blood queen. Grim reaper from Black Butler. A Tulpa from the Dusk.

Urahara Kisuke, a Tulpa of the unknown, mysterious zany scientist and friend

A humble scientist from outer dimensions.