Kaj

Kaj was a user who threatened to "Hack" The scratch website. He was banned after.

Threats
Kaj used to be a normal scratcher, until he thought he didint have enough views on his projects. So he made a project threatening to destroy scratch.

Variations
KajTheModerator: An april fools user used to impersonate Kaj.

Many other fake users with "Kaj" in their name.