Mitochondria are known as the power-houses of the cell as this is where cellular respiration occurs. This is the process that creates the energy a cell needs.
The White House is the nickname, othwise known as the Executive Mansion of the United States
capital
the house
power house
The White House is actually the nickname; the name used to be "the executive mansion of the United States."
The Big House
The rules committee nickname a committee unique to the House e.g the gatekeeper.
The dreaded Black Carpet Beetle. Aptly named, don't you think?
It was called Abe.
my house my house my house
The House is usually used as the nickname for the home teams arena. As in "not in my House" means on our home court.
The House that Ruth Built.