replaced with morph , a cute alien creature who mimics everyone and everything around 
(ROOT (S (VP (VBN replaced) (PP (IN with) (NP (NP (NN morph)) (, ,) (NP (NP (DT a) (JJ cute) (JJ alien) (NN creature)) (SBAR (WHNP (WP who)) (S (VP (VBZ mimics) (NP (NP (NN everyone) (CC and) (NN everything)) (ADVP (RB around))))))))))))
(ROOT (S (VP (VBN ) (PP (IN ) (NP (NP (NN )) (, ) (NP (NP (DT ) (JJ ) (JJ ) (NN )) (SBAR (WHNP (WP )) (S (VP (VBZ ) (NP (NP (NN ) (CC ) (NN )) (ADVP (RB ))))))))))))