Aka-Atama (赤頭, lit. red head) is a Youkai.
Aka-Atama has the appearance of a short man with a bald head, light red skin and ears with long ear lobes. His small eyes have white sclerae with tiny black pupils, his mouth has red lips with dimples on both sides and is in a constant smile. He wears a simple purple vest, a necklace with brown beads and a white fundoshi. During the Sports Festival he wore a yellow headband.

(Source: GeGeGe no Kitarou Wiki)