1) Kids of the Misery Ghost- (TLH x DP ) When Lincoln and Lucy discovered that they are not the children of Rita and Lynn Loud Sr in fact they are the children of the famous ghost hero Danny Phantom and the Misery Ghost Penelope Spectra. So they along with Lisa, Luna and Lana travels to the Ghost Zone and Amity Park to find their long lost parents. Pairing- Lincoln x Kitty, OlderDanny x Spectra.

2) Those Meddling Kids - (The Loud House x Hanna Barbara) AU where The Loud Siblings are detectives like the famous Mystery Inc, after solving their last mystery they were relaxing until they recived a inviation from a mystery figure them along with the other mystery solvers: Mystery Inc, Josie and the Pussycats, Speed Buggy, The Neptunes, The Funky Phantom group, Captain Caveman and the Teen Angels and The Amazing Chan and the Chan Clan. Must solved this mystery before it is too late.

 Pairing: Lincoln x Anne Chan x Brandie Dare (OC)  , Lori x Henry Chan x Alexandra Cabot (Josie and the Pussycats) , Leni x Mark (Speed Buggy ) x Suzie Chan , Luna x April Stewart (the Funky Phantom) x Taffy Dare (The Teen Angels) , Luan x Stanley Chan, Fred x Daphne, Shaggy x Brenda Chance, Alan Chan x Jolene Cook (OC) , Velma x OC, Alan x Josie 

Sorry if this is short this is the only ideas I had so far but Ill keep on thinking : )