Charlton Mackerel

Charlton Mackerel was the inventor of the Tomorrow Window.

Biography
As a child, Mackerel found people stupid, he always saw the flaws in people and aspired to be greater and not make mistakes like all who came before him. Mackerel invented the Tomorrow Window, which showed him what his future would be according to his current state of mind. He used the Tomorrow Window to make himself rich and aspired to use it to make the lives of entire populations greater by allowing them to lead a better life with a Tomorrow Window.

While on Earth unveiling the Tomorrow Windows at Tate Modern, an attempt was made on Mackerel's life by an android duplicate of Ken Livingstone that was created by Martin. Mackerel escaped with the Doctor and Fitz Kreiner. (EDA: The Tomorrow Windows)