Cosmo & Wanda's voices changing for less than 2 minutes

Cosmo and Wanda have everchanging speaking voices. So let's listen.
Credit: Frederator Studios and Nickelodeon, a Paramount company.
#nickelodeon #frederator #fairlyoddparents
0:01 - Pilots
0:08 - Season 1
0:33 - Season 2 to 3
0:41 - Season 4 to 6
1:14 - Season 7 to 8
1:36 - Season 9 to 10
1:46 - FOP: Fairly Odder