Lil' Rummy's mom died before the series started
Which is why we never see her, and she's never mentioned.
Lil' Cheney's mom is Padme Amidala
If his dad is Darth Vader, it would make sense.
Lil' Cheney is Luke Skywalker, had he been raised by Darth Vader
Just sayin', they're both blonde. Plus the show takes place in an Alternate Reality
Rummy's dad is a sadist