User blog comment:Dynasti the Radicles Fangirl/Halloween costumes Loud Siblings dressed as/@comment-37493515-20190510011929

Nice ideas. My ideas:

Lincoln as Ace Savvy

Luan as Gwenpool

Lisa as Jimmy Neutron

Lucy as someone from Mortal Kombat (well, the Turtles had clashed with Sub-Zero and Raiden already).