Constables in the United States
While Constables primarily serve the Courts, they belong to the executive branch of government.
Politics of Greece
The Court of Cassation is the supreme civil and penal court, whereas the Council of State is the supreme administrative court. The Chamber of Accounts has an exclusive jurisdiction over certain administrative areas (for example it judges disputes arising from the legislation regulating the pensions of civil servants) and its decisions are irrevocable. This means that they are not judged at second instance by the Council of State.