Cannington Detectives are looking for 31-year-old Sinclair Barrie, who they believe may be able to help with an investigation into serious assaults.
Mr Barrie is known to frequent the Rivervale, Burswood and East Perth areas.
He is described as being 176cm tall, olive-skinned, with blue eyes and brown hair.
Mr Barrie has a tattoo of the word ‘Loki’ on his right inner forearm, two dragons and a large word script tattoo on his back.
He may be armed and act in an unpredictable manner, and should not be approached by members of the public.
Any sightings of Mr Barrie should be reported to Police immediately on 131 444.