Green oni

A green oni charging with a spear, from Kyosai's Pictures of One Hundred Demons. Oni are a staple of Japanese tattooing. Calf, upper arm or thigh, 12 to 15 cm.

Kawanabe Kyōsai, Kyōsai’s Pictures of One Hundred Demons, 1890. The Metropolitan Museum of Art, Gift of Anita V. Beenk, 2016. Public domain.

Public domain. Any artist can tattoo it; ask them to draw it their way.