Wikipedia
Abura-akago
is a creature illustrated in Toriyama Sekien's Konjaku Gazu Zoku Hyakki, as an infant spirit lapping oil out of an andon lamp.
Sekien's accompanying notes describe it:
Sekien seems to have based this illustration on a story from the , in which an oil merchant from Ōtsu steals oil from a Jizō statue at the crossroads, and is punished posthumously by being transformed into a wandering ghost-fire.