when did he begin his acting career?
He made his debut in Sean S. Cunningham's film "Manny's Orphans"
Ari Lehman
Lehman made his film debut in Sean S. Cunningham's film "Manny's Orphans". 
who plays jason in the 2009 friday the 13th Ari Lehman which work is the character associated with? The character has primarily been an antagonist in the films, whether by stalking and killing the other characters, or acting as a psychological threat to the protagonist who created this series? Victor Miller when was this series premiered? May 9, 1980 when is his first appearance in the series? He  first appears during a nightmare of the main character Alice Hardy what can you tell me about his design? Savini created a plaster mold of Ari Lehman's head and used that to create prosthetics for his face. Lehman personally placed mud—from the bottom of the lake—all over his body to make himself appear "really slimy" what can you tell me about the above mentioned actor? He is an American performing artist, composer, and actor.  He is known for playing the child Jason Voorhees in the Paramount horror film "Friday the 13th", becoming the first actor to portray the horror icon. Lehman currently performs in a punk rock/heavy metal band, First Jason
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Ari Lehman [SEP] Film career
Lehman made his film debut in Sean S. Cunningham's film "Manny's Orphans". He then played the role of a child Jason Voorhees in "Friday the 13th", appearing in Pamela Voorhees's flashback and Alice Hardy's dream - the final scene of the film. Lehman also appears in archive footage, uncredited, in "Friday the 13th Part 2" (1981) and "" (1984). Since "Friday the 13th", Lehman has appeared in a number of independent films and short films.