only with muscles and a lot more smarts , but just as endearing and easy to watch 
(ROOT (PP (PP (ADVP (RB only)) (IN with) (NP (NP (NNS muscles)) (CC and) (NP (ADJP (NP (DT a) (NN lot)) (JJR more)) (NNS smarts)))) (, ,) (CC but) (ADJP (RB just) (IN as) (JJ endearing) (CC and) (JJ easy) (S (VP (TO to) (VP (VB watch)))))))
(ROOT (PP (PP (ADVP (RB )) (IN ) (NP (NP (NNS )) (CC ) (NP (ADJP (NP (DT ) (NN )) (JJR )) (NNS )))) (, ) (CC ) (ADJP (RB ) (IN ) (JJ ) (CC ) (JJ ) (S (VP (TO ) (VP (VB )))))))