Daniel Simon Atherton, known as Dan Atherton (born 25 January 1982, near Salisbury) is a professional racing cyclist specialising in downhill and four cross mountain bike racing, and is a former national champion of Great Britain. He began riding BMX at the age of 15 and mountain biking a year later.

Since 2007, Dan has been one third of the Animal Commençal racing team, alongside brother Gee Atherton and sister Rachel Atherton.

Dan, along with Rachael and Gee, is the star of the web series "The Atherton Project" a series which follows their day to day lives.

In 2010 Dan broke a vertebrae in his neck whilst training and has missed half of the season including the World Championships.

Rachel Laura Atherton (born 6 December 1987, near Salisbury) is a professional racing cyclist specialising in downhill mountain bike racing, and is a multiple national champion. She began riding BMX at the age of 8 and mountain biking at the age of 11. She was both Sunday Times' Sportswoman of the Year and BBC Midlands Junior Sportswoman of the Year in 2005, and then BBC Midlands Sportswoman of the Year in 2008.

Since 2007 Rachel Atherton has been part of the Animal Commençal race team along with brothers Dan Atherton and Gee Atherton.

In June 2008 Rachel Atherton became the first British woman to win the Elite UCI Downhill World Championship, defeating second placed Sabrina Jonnier by 11.99 seconds in the final.

Rachel Atherton was involved in an accident with a pickup truck whilst on a time trial training ride with brothers Dan and Gee in Santa Cruz, California, on January 18, 2009. She sustained a dislocated shoulder which, after later needing a nerve graft, ruled her out of the 2009 racing season, including the September World Championships in Canberra.

Hansjörg Rey, aka Hans "No Way" Rey (born 4 June 1966 in Kenzingen, Germany). Rey is a pioneer in mountain bike trials and extreme mountain biking. Rey began riding in the late 70s. Since 1987, he has ridden exclusively on GT bikes. In 1999 he was inducted to the Mountain bike hall of fame.

Over the years he has won a large number of bike trials riding championships, but since 1997 has retired from competitive sports to explore the world on his mountain bike.

He is the only permanent member of the "Hans Rey Adventure Team", a quest to explore the world using his mountain bike talent. These trips were filmed for television.

He has also starred in movies like Tread (1994), and made guest appearances on the TV series Pacific Blue (1995-1998). He was part of the closing ceremony of the 1996 Olympic Games.

In 2005 Hans Rey has founded Wheels4Life, a non-profit charity that provides bicycles to people in Third World countries in need of transportation. More info can be found wheels4life.org.

George David Atherton, known as Gee Atherton (born 26 February 1985, near Salisbury, England) is a professional racing cyclist specialising in downhill and four cross mountain bike racing, and is a multiple national champion, multiple World Cup winner, and 2010 downhill World Cup Champion.

Since 2007, Gee has been one third of the Animal Commençal racing team, alongside brother Dan Atherton and sister Rachel Atherton.

Gee, along with Rachael and Dan, is the star of the web series "The Atherton Project" a series which follows their day to day lives. In 2012 Gee will be racing for GT racing.

Gee appeared on the BBC's Top Gear (series 7), racing a Renault Clio down the streets of Lisbon and winning.