Merlin is remebered for his controversial leaving of the 2004 Big Brother series. Upon his exit, he taped his mouth closed and revealed a banner that he secretly made which read "Free the Refugees".
Merlin competed in the fourth season of the reality TV program, Big Brother. He was the 5th evictee, exiting the house on Day 43 of the program.
In September 2006, Merlin was listed at #44 in TV Week's 'Top 50 most memorable moments on Australian television list for his silent protest when he was evicted from Big Brother'.