Whos good at making up nicknames ?

Okay well some of you have heard of the name ' Puberty Paul . ' and ' Puberty Paula ' ? Haha , I know they are wierd names but I just wanted to say do you think there are any usernames for like Rob , or Robby , or Bobby , or Bob , or Robert ? Loool ! I wanna call my friend that dont say im mean cus its just a joke but does anyone have a nickname that includes those names and has something to do with puberty ? Haha ! Thanks to all in Advance (: