You know that inner voice when your little sister’s birthday rolls around? That urge to remind her who paved the way? That’s what’s going on here.
You try to be the supportive sibling, but your inner ‘dark side’ wants to make sure your younger sister knows who’s really in charge. Evil Kermit in a hood just makes that struggle even more dramatic.
Honestly, it wouldn’t be a real sibling birthday without a little teasing. That’s just how it goes.