Zilch is an antagonistic character that appeared in the Team Umizoomi special Journey to Numberland. He Is Voiced By Chris Phillips. He is a green elf that wears a dark blue cap, a green suit and green shoes. He has a magic scepter, which he uses to eradicate numbers in Numberland. He used it to trap the King of Numberland in his tower.
Zilch hates and dislikes numbers and lives outside of Numberland in the Crooked Tower. He is cranky and stubborn.
- Zilch's name literally means zero, which is means he has absolutely interest in numbers.