User blog comment:Drakan95/Epic Rap Battles: Cartoons vs History. News with Fred Flintstone/@comment-9623756-20150429222639

Shaggy and Scooby vs Holmes and Watson, leaving Dipper and Mable open to face off against the Baudelaires (A Series of Unfortunate Events)

Billy and Mandy vs Ghostbusters (explorers of the paranormal, in a horror comedy style)

Green Arrow vs Robin Hood (bit basic Ik :/)

Tom and Jerry vs Laurel and Hardy (comedy duos that rely on slapstick humour)

Omi vs Percy Jackson (masters of water)

Casper the Friendly Ghost vs King Boo? (Maybe some other ghost to face Casper)

Fry and Bender vs Luke and C3PO