This is an accepted version of this page James Franklin Hyneman (/ˈhaɪnəmən/; born September 25, 1956)[1] is an American special effects expert who was co-host of the television series MythBusters alongside Adam Savage, where he became known for his distinctive beret and walrus moustache.

[15][11] Hyneman has worked as a boat captain,[16] certified divemaster,[16] wilderness survival expert, linguist, pet store owner,[7] animal wrangler, machinist, concrete inspector, and chef.

[19] Hyneman made a cameo appearance along with Savage on CSI: Crime Scene Investigation on the May 1, 2008 episode "The Theory of Everything",[20] where they play inspectors giving thumbs-up after seeing a shirt soaked in pepper spray catch fire when shot by a taser.

[21] He and Savage executive produced and appeared as judges on the game show Unchained Reaction, which premiered in March 2012.

[22] The two also voiced characters on The Simpsons episode "The Daughter Also Rises" as a parody of themselves, the "MythCrackers", which prompts Bart and Milhouse to experiment in a similar fashion.

[23] In 1984, Hyneman met science teacher Eileen Walsh when he owned a sailboat diving charter business in the Virgin Islands.