David Stone (recently known as Klek Entos) his original name is David Muller. He is a French actor, writer, lecturer, producer and magician specialising in close-up magic and coin magic.

David Stone was born in Eaubonne, France. He was 19 years old when a school friend showed him magic tricks and taught him card manipulation. At the age of 23, Stone won the Lex Diavol, a regional contest for magicians organised annually in France by FFAP.

When he was 24, Stone won the Gold Dove (close-up category) award at the European championships of magic organized in France. In the same year, he won the Close-up Grand Prix of South America in Las Tunas, Cuba.

In 1995, he met the French magician Stéphane Jardonnet who launched his career by producing a video Stone starred in called Basic Coin Magic Vol. 1. This video became the first French magic program ever sold on the American market and became later a best-seller.^{[citation needed]}

After obtaining a degree in Philosophy at the Amiens University, Stone decided to become professional magician. He went to Saint-Tropez and started working in some of the most prestigious restaurants of the Riviera, including seven years in La Voile Rouge, a trendy beach restaurant where he honed his craft.^{[citation needed]}

Stone has gained recognition in the world of professional magicians. Since 1999, he has performed his lecture on the art of table-hopping (professional magic in restaurants) at magic conventions in more than 19 countries and is one of the most popular French magicians outside his country.^{[citation needed]}

His encounter with magician and DVD producer Jean-Luc Bertrand in 2001 produced a successful partnership that has yielded several short films and magic DVDs. Their first co-production, a short movie titled The Real Secrets of Magic, was the winner of the first ever Magic Film Festival in Las Vegas (2006).^{[citation needed]}

In 2003, at the FFFF convention, he was voted as the Most Valuable Performer.