He is a founder of Australian pop band, Dog Trumpet, in 1991 on guitar and vocals, alongside his older brother, Chris O'Doherty (p.k.a.

Reg Mombassa, born 1951), attended art school where he formed a new wave group, Mental As Anything, in early 1976 with his fellow students.

(He was introduced as "Ouzo Pork" in a few early concerts, and acquired the occasionally-referenced nickname "Yoga Dog" later, but was always billed simply as Peter O'Doherty on all their records issued from 1978 through 1999.

[6] Although O'Doherty never attended art school, he became a prolific visual artist alongside his acclaimed brother, Mombassa.

His wife Susan is also a visual artist, "[she] paints her more abstract pieces,"[1] while O'Doherty specialised in still life and built landscapes.