Wiggler

Wiggler is a yellow caterpillar with a flower on his head. According to the Baby Trio, he is the worst babysitter ever. He loves gardening and he tried to teach the babies how to, but they refused and killed themselves.

Relationships
Baby Mario, Baby Luigi, and Baby Peach - Wiggler was the babysitter for the Baby Trio while Mario and Luigi went on VaCa. He seems to love them due to his kind voice.

Luigi - Luigi is the one who got Wiggler as the babysitter. According to Wiggler, he needs help.

Trivia
Baby Peach killed Wiggler.