Big Demeanor is a 5 year old gelding by I Am Invincible out of the Beneteau mare, Prompt Response.
Last start was 1st at Townsville on June 29, 2025 in the Mitavite Mdn Hcp over 1200 metres.
Sale Details

Lot 393 2022 MM Gold Coast Yearling Sale
Vendor: Widden Stud, Widden Valley, NSW
Buyer: Annabel Neasham/Brian McGuire $500,000
I Am Invincible (AUS)
Prompt Response (AUS)
Invincible Spirit (IRE)
Cannarelle (AUS)
Beneteau (AUS)
Prompt (AUS)
Green Desert (USA)
Rafha (GB)
Canny Lad (AUS)
Countess Pedrille (AUS)
Redoute's Choice (AUS)
Slice Of Paradise (AUS)
EXCEED AND EXCEL (AUS)
AMNESIA (NZ)
Danzig (USA)
Kris (GB)
Bletchingly (AUS)
Zoffany (USA)
Danehill (USA)
Encosta De Lago (AUS)
Danehill (USA)
Desert Sun (GB)