David (Dave) E. "El Blondie" Colclough (born 4 March 1964 in Carmarthen, Wales) is a Welsh professional poker player, now living in Birmingham, England.
In 2003 his continued success led to him being voted European Poker Player of the Year.
Colclough had a final table appearance at the World Poker Tour's third season Grand Prix de Paris event, where he won €84,890 ($103,507).
In May 2005, he reached the semi-finals of the World Heads-Up Poker Championship, earning €20,000.
Colclough was inducted into the European Poker Players Hall of Fame during 2005, and at the age of 41 was the youngest inductee at that time.
He spent much of 2005 travelling with and training Brian Wilson, who went on to win a bracelet at the 2005 World Series of Poker. Wilson continually credits Colclough for his achievements.
In 2006, Colclough's BlondePoker.com website opened its own online poker room. On the BlondePoker.com forums, Colclough is often referred to as "Monty Burns" by his friend Tony Kendall and other forum posters.
As of 2008 he has won over $2,400,000 in live tournament play.
In 2007 Colclough and "Mrs C." have separated, David claimed he caught her in bed with another man.