TYPE: Alien, Boss.
SKILLS AND ATTACKS: Spin attack.
STRENGTHS: You only fight him with Mario.
WEAKNESSES: Has only one attack.
Junior Shrooboid is a green Shroob who appeared at Peach's Castle of the present in Professor E. Gadd's time machine. When Toadsworth welcomed the Princess back home, Junior Shrooboid came out of the time machine and Mario battled him.
Junior Shrooboid is the sibling of the Elder Shrooboid.