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" Simpsons creator Matt Groening has revealed that Fox put an end to the on-screen sparring between his show and Family Guy. Groening told the New York Post that there was a rivalry between The Simpsons and its animated contemporaries. He said: &amp;quot;There&amp;#039;s some gentle spoofing of each other, although Fox has told both The Simpsons and Family Guy to knock it off. &amp;quot;You didn&amp;#039;t have Bonanza making Gunsmoke jokes.&amp;quot; Groening added that he was &amp;quot;grateful&amp;quot; that Cartman and his friends did not cut off Bart&amp;#039;s head when the characters met in the &amp;#039;Cartoon Wars&amp;#039; episodes of South Park.  &amp;quot;Cartman and his pals would blow Bart out of the water [in a fight],&amp;quot; he said. &amp;quot;Bart&amp;#039;s a gentle soul. He&amp;#039;s only ten years old, so the consequences of his actions are not as bad as they&amp;#039;ll be in a few years.&amp;quot; Earlier this month, The Simpsons made its high definition debut in the UK, launching a new opening credits sequence to mark the occasion. "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.digitalspy.com/tv/ustv/news/a147597/matt-groening-fox-ended-cartoon-war/>