|Birth name||David O'Neil|
|Born||1965 (age 51–52)|
|Medium||Television, film, radio|
|Alma mater||RMIT University|
After finishing high school, O'Neil completed a course in primary school teaching; however, he never taught. He became a field officer for the Red Cross, giving talks and training sessions, where he first enjoyed public speaking and the opportunity to tell jokes.
O'Neil ventured into radio in the early 1990s, appearing on the Osso Booko Show on Melbourne community station 3RRR from 1992 to 1997, co-hosting the one-hour sketch comedy show on Sundays with Vic Plume and Alan Parkes. He also spent some time on the RRR Breakfast team with Kate Langbroek and regular phone-ins from Dave Hughes.
In 2001 he joined then-new radio station Nova 100 in Melbourne, on the top-rating Hughesy, Kate & Dave breakfast show. He later left in July 2006 for Nova's sister station, Vega 91.5 to co-host the breakfast show Dave and Denise with Shaun Micallef. In 2007, Ian "Dicko" Dickson and Chrissie Swan joined the show with Denise Scott with Shaun Micallef leaving the station.
At the Australian federal election in 2007, O'Neil stood as an independent candidate for the federal seat of Gellibrand in Melbourne's industrial and portside inner western suburbs including Williamstown, Newport, Spotswood, Footscray, Braybrook, Altona and parts of Altona Meadows and Laverton. He received 2.3% of the vote.
- O'Neil featured on the RMITV show Under Melbourne Tonight's 1997 Christmas Special.
- O'Neil also featured on the RMITV show The Loft Live on 8 July 1999 and again on the "The Loft Live Comedy Benefit" episode on 10 February 2000.
- O'Neil featured on the hit Australian movie The Nugget along with Eric Bana.
- O'Neil features in a cameo performance in the upcoming Australian mockumentary musical film Ricky! the movie
- He also appeared frequently on the Australian music TV show Spicks and Specks.
- O'Neil also appeared on the first episode of ABC 1 miniseries Sleuth 101, in which he was a guest detective, solving a murder mystery.
- He is also appears regularly on the ABC 1 talk show Adam Hills In Gordon Street Tonight.
- He currently appears on the ABC's Tractor Monkeys.
- O'Neil also appeared with Vince Colosimo and Stephen Curry on the Australian movie Take Away as the butcher.
- Jones, Kate (13 January 2014). "My first job: Dave O'Neil, comedian". The New Daily. Retrieved 20 May 2015.
- "Captain Cocoa". Rate Your Music. Archived from the original on 17 July 2012. Retrieved 20 May 2015.
- Beck, Chris (11 July 2002). "Waking Dave O'Neill". The Age. Retrieved 20 May 2015.
- Sim, Joanne (19 April 2010). "O'Neil's unlucky break". The Age. Retrieved 20 May 2015.
- "House of Representatives Division First Preferences (Gellibrand)". Australian Electoral Commission. Retrieved 20 May 2015.
- "Gellibrand - Federal Election 2007". ABC Elections (ABC Online).
- "1997 Christmas Special". Under Melbourne Tonight. Retrieved 20 May 2015.