So Prismo got recast in the Fionna and Cake show cuz Kumail Nanjiani's agents didn't let him know the crew was trying to get him back to reprise the role
Ice king is a really good character because they intoduce him and you're like "haha what a freak what's wrong with him" and then the show goes "oh! You want to know? Let me show you :)" and you end up just sitting there like