KCB
From Kaboom Wiki
KCB (Kaboom Community Bot) was a bot created by QuadraticKid.
It was a legendary bot that was incredibly advanced.
Since December of 2021, KCB has been offline from the Kaboom server. The developer, QuadraticKid, initially said that "kcb is going to be down for a bit", however, it has not been online since.
