Nicknames

Regular
Joseph - Peter Pettigrew, Disappearing Dude, you-know-who (aka Lord Voldemort, aka Tom Riddle, aka the Dark Lord), a soccer fashionista, dork

Dora - Peta Pettigrew, a loose prisoner of Azkaban, Dora the Explorer

Deyan - Pervert, Princess Princess

Mason - The-boy-who-would-not-shut-up

Other
Cat - nicknamed Joseph the cat, because he disappeared real fast (and Joseph is the Disappearing Guy/Dude) aka scary cat because he was staring at Jessie and them once.

Lizard - nicknamed Joseph the lizard, because he disappeared and then reappeared in the matter of minutes.