TobuCatmon is part of the Pierre Dream Circus.

Ruli gets involved with him when she snatches a VIP card from the circus mascot and scans it. When she agrees to the offer to join the special circus session, inviting FlameWizardmon and Tobucatmon to her doorsteps. Since she wasn't invited, FlameWizardmon grabs Angoramon instead. Angoramon witnesses the group of Digimon showing their true colors and recognizes Piedmon as a dangerous Digimon titled "The Wizard". Mephistomon also implies that he did similar things in the Digital World. When Ruli and Hiro arrive to stop him, they see him turning an objecting Angoramon into a harmless bunny mascot.