Maybe Stern could do a Rap pin based on how many kids the rapper fathered.
Just like Doctor Who, you change rappers as you build your Shorty Score.
You start relatively low with Lil Wayne and 5 kids
Get your groove going and do P Diddy and 6 kids
Bust a nut to Eazy Es 9 kids
Get strapped as Peter Gunz with 11 kids
Keep pushin it to Shawty Lo with 12 kids
Become an assmaster as Ol' Dirty Bastard with 13 kids
Finally, the wizard mode is a 14 ball muliball as you become DMX