Kaneko's artさんのイラストまとめ

Jack the Ripper of the Foul race

A demon based around the infamous serial killer of the 19th century.
He is one of the Jack brothers

Xi Wangmu of the Lady race

A chinese goddess who originally reigned over slaughter, disease and calamity but became enlightened by Taoism

Cu Chulainn's evolution over the years

Megami Tensei 2 (1990)
SMT (1992)
Devil Summoner (1995)
and
Shin megami Tensei Nine (2002)

Youthfu (Yusuf in the west) From Maken X

La Llorona of the Femme race

A popular legend in the spanish speaking americas

She's the ghost of a woman who drowned her own children.

Angel Joker

Maya
The Hindu personification of all illusions

Lilith of the Night race

The first wife of Adam who was driven from the garden of Eden after eating the fruit of knowledge.

Lucifroz
A Jack Frost who betrayed the Frost clan and was exiled to hell

Oberon of the Fairy race

The king of fairies who governs dreams, moonlight and fairy rites

No taller than a child and quite the ladies man