David McKenna (born August 14, 1968 in San Diego, California, USA) is an American screenwriter and producer. He worked as executive producer of E-Ring.

He used the screen name Zachary Long for Bully.

He wrote or played a major/minor part in such films as S.W.A.T and E-Ring T.V Episodes. He is perhaps best known for writing American History X and other novels such as "The Trials and Tribulations of Earl".

Description above from the Wikipedia article David McKenna (writer), licensed under CC-BY-SA, full list of contributors on Wikipedia.

大卫·麦肯纳（David McKenna，1968年8月14日出生于美国加利福尼亚州圣地亚哥），美国编剧、制片人。他曾担任E-Ring的执行制片人。

他用网名扎卡里·朗（Zachary Long）来形容恶霸。

他在《S.W.A.T》和《E-Ring T.V.Episodes》等电影中担任主要/次要角色。他最出名的可能是写《美国历史X》和其他小说，如《伯爵的考验和磨难》。