Susan Test

Susan Test is one of the main characters from Johnny Test.

Johnny X Strikes Back (JX4)
Susan's left foot is exposed when she is looking for her missing shoe. Strangely she is also missing her left sock.

A video of the action can be seen here (The video is blocked in some countries): https://www.youtube.com/watch?v=lBcawhZbEII&t=6m35s

It's Du-Kay, Johnny
She puts on her "G" slipper as she lost her "IL" slipper.

A video of the action can be seen here: https://www.youtube.com/watch?v=ABfE6FA_ky8&t=1m10s