A heavy metal music fan could face six months in jail over an allegedly offensive T-shirt.

Alexsei Vladmir Nikola, 34, was due to appear in court this morning on public nuisance charges after Brisbane police officers allegedly saw him wearing the shirt on George Street on May 6.

Heavy metal band Cradle of Filth. Credit:Jo Hale/Getty Images

The shirt allegedly featured the words "Jesus is a c---" in large letters and shows a picture of a semi-naked, masturbating nun.

The fashion item is believed to be merchandise of the gothic-metal band Cradle of Filth.