oH mY gOd Yes plAnkTon iS in iT
He isn’t actually small, he’s actually taller than most of he other characters, but they play it off as if he were small. HE ALSO HAS A MINI PLANKTON THAT HE PLAYS WITH AT THE START OF THE MUSICAL AND ITS ADORABLE
OH MY GOD KAREN IS GODLY, SHE HAS THE COMPUTER THAT SHE BEINGS WHEREVER SHE GOES AND HER COSTUME IS JUST,, YES—
there’s also a kissing scene between plankton and Karen but we don’t talk about that—