I made a roster for a Nick All Stars Brawl 2. It assumes that Squidward, Zuko, an FOP character, and maybe Jimmy are the only remaining DLC characters for NASB1. Let me know what you think:
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Some Notes:
-Cosmo and Wanda could be Timmy too. I kind of prefer going straight to Cosmo and Wanda to "cut out the middleman" so to speak, but what I really care about is having an FOP character. However the hypothetical moveset works out.
-Carly and Sam also more represents "an iCarly character" rather than any specific character concept I'm married too. Just Carly, just Sam, or even just Spencer could all work as well.
-Skipper may be a bit of a pipe-dream on my part; if he isn't possible I'd replace him with some character from a classic Nick live-action series, like Kenan and Kel or Ned's Declassified School Survival Guide.
-The question mark is a placeholder for a character from a modern Nicktoon, like Middlemost Post or Welcome to the Wayne. I'm not really knowledgeable enough about this era of nicktoons to have a definitive idea.