Elder Shroob

The Elder Princess Shroob is the overarching antagonist of "Mario & Luigi: Partners in Time." She is Princess Shroob's older twin sister and the true ruler of all Shroobs. She is the final boss in the game and the seventh boss overall and she is fought in two different forms. The Elder Princess Shroob is Neutral Evil, having some chaotic and lawful traits. After being frozen and held within Bowser's castle, she has somehow managed to escape. She's looking for her sister, Princess Shroob, who escaped mere hours before she did from Bowser's castle. You can be whoever you want.