 In addition to the main television series , Perry has appeared in several pieces of Phineas and Ferb merchandise . To date , he has appeared in all Phineas and Ferb novelizations , published by Disney Press . The character has been adapted into a 20 inch plush toy , released by The Walt Disney Company . The plush has a button on its hand that allows it to emit Perry 's signature chattering noise . Certain t @-@ shirts based on the series released by both Disney and the online retail website Zazzle also display Perry and the phrase " Hey , where 's Perry ? " which most characters like Phineas , Isabella , Stacy , Irving , Ferb , and Lawrence utter when Perry goes to Major Monogram in his secret lair in almost every episode . There also is a T @-@ Shirt with Perry 's face . Perry appears in the Nintendo DS video game based on the series , simply titled Phineas and Ferb , where a mini @-@ game involves Perry stopping Doofenshmirtz 's latest evil scheme . As of 1 April 2014 , Perry is also a playable character in the video game Disney Infinity . 
 In addition to the main television series , Perry <a href='been_done' title='1'><mark>has</mark></a> appeared in several pieces of Phineas and Ferb merchandise . To date , he <a href='been_done' title='2'><mark>has</mark></a> appeared in all Phineas and Ferb novelizations , published by Disney Press . The character <a href='been_done' title='3'><mark>has</mark></a> been adapted into a 20 inch plush toy , released by The Walt Disney Company . The plush <a href='got' title='4'><mark>has</mark></a> a button on its hand <a href='null_relcl' title='5'><mark>that</mark></a><a href='uninflect' title='6'><mark>allows</mark></a> it to emit Perry <a href='null_genetive' title='7'><mark>'s</mark></a>signature chattering noise . Certain t @-@ shirts based on the series released by both Disney and the online retail website Zazzle also display Perry and the phrase " Hey , where 's Perry ? " which most characters like Phineas , Isabella , Stacy , Irving , Ferb , and Lawrence utter when Perry <a href='uninflect' title='8'><mark>goes</mark></a> to Major Monogram in his secret lair in almost every episode . <a href='dey_it' title='9'><mark>There</mark></a> also is a T @-@ Shirt with Perry <a href='null_genetive' title='10'><mark>'s</mark></a>face . Perry <a href='uninflect' title='11'><mark>appears</mark></a> in the Nintendo DS video game based on the series , simply titled Phineas and Ferb , where a mini @-@ game <a href='uninflect' title='12'><mark>involves</mark></a> Perry stopping Doofenshmirtz <a href='null_genetive' title='13'><mark>'s</mark></a>latest evil scheme . As of 1 April 2014 , Perry <a href='drop_aux' title='14'><mark>is</mark></a>also a playable character in the video game Disney Infinity . 
In addition to da main television series , Perry done appeared in several pieces of Phineas and Ferb merchandise . To date , he done appeared in alll Phineas and Ferb novelizations , published by Disney Press . Tdacharacter done been adapted into a 20 inch plush toy , released by The Walt Disney Company . Thdalush got a button on its hand allow it to emit Perry  signature chattering noise . Certain t @-@ shirts based on the series released by both Disney and the online retail website Zazzle also display Perry and the phrase " Hey , where 's Perry ? " which most characters like Phineas , Isabella , Stacy , Irving , Ferb , and Lawrence utter when Perry go to Major Monogram in his secret lair in almost every episode . It also is a T @-@ Shirt with Perry  face . Perry appear in the Nintendo DS video game based on the series , simply titled Phineas and Ferb , where a mini @-@ game involve Perry stoppin Doofenshmirtz  latest evil scheme . As of 1 April 2014 , Perry also a playable character in the video game Disney Infinity .