these characters are so well established that the gang feels comfortable with taking insane liberties and doing the goofiest stuff out of left field , 
(ROOT (S (NP (DT these) (NNS characters)) (VP (VBP are) (ADJP (RB so) (RB well) (VBN established) (SBAR (IN that) (S (NP (DT the) (NN gang)) (VP (VBZ feels) (ADJP (JJ comfortable) (PP (IN with) (S (VP (VP (VBG taking) (NP (JJ insane) (NNS liberties))) (CC and) (VP (VBG doing) (NP (NP (DT the) (JJS goofiest) (NN stuff)) (PP (IN out) (PP (IN of) (NP (JJ left) (NN field))))))))))))))) (, ,)))
(ROOT (S (NP (DT ) (NNS )) (VP (VBP ) (ADJP (RB ) (RB ) (VBN ) (SBAR (IN ) (S (NP (DT ) (NN )) (VP (VBZ ) (ADJP (JJ ) (PP (IN ) (S (VP (VP (VBG ) (NP (JJ ) (NNS ))) (CC ) (VP (VBG ) (NP (NP (DT ) (JJS ) (NN )) (PP (IN ) (PP (IN ) (NP (JJ ) (NN ))))))))))))))) (, )))