whats the name of the settings secret vault keeper in gd

The secret vault keeper in Geometry Dash is called Spooky. The angry padlock button in The Vault is referred to as the Guard, and its true name is Spooky.

For the Vault of Secrets and related vaults, the same guides list the keeper/guardian-style figure as the Vault Keeper , but the specific named one tied to The Vault is Spooky.

If you meant a different secret vault in GD, the named keeper can vary by vault.