is a variant of the nincompoop benigni persona , here a more annoying , though less angry version of the irresponsible sandlerian manchild , undercut by the voice of the star of road trip 
(ROOT (VP (VBZ is) (NP (NP (NP (DT a) (NN variant)) (PP (IN of) (NP (DT the) (NN nincompoop) (NN benigni) (NN persona)))) (, ,) (RRC (ADVP (RB here)) (NP (NP (NP (DT a) (ADJP (ADJP (RBR more) (JJ annoying)) (, ,) (RB though) (ADJP (RBR less) (JJ angry))) (NN version)) (PP (IN of) (NP (DT the) (JJ irresponsible) (NN sandlerian) (NN manchild)))) (, ,) (VP (VBN undercut) (PP (IN by) (NP (NP (DT the) (NN voice)) (PP (IN of) (NP (NP (DT the) (NN star)) (PP (IN of) (NP (NN road) (NN trip)))))))))))))
(ROOT (VP (VBZ ) (NP (NP (NP (DT ) (NN )) (PP (IN ) (NP (DT ) (NN ) (NN ) (NN )))) (, ) (RRC (ADVP (RB )) (NP (NP (NP (DT ) (ADJP (ADJP (RBR ) (JJ )) (, ) (RB ) (ADJP (RBR ) (JJ ))) (NN )) (PP (IN ) (NP (DT ) (JJ ) (NN ) (NN )))) (, ) (VP (VBN ) (PP (IN ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (NN ) (NN )))))))))))))