Cooler

Cooler is the eldest son of King Cold and Frieza's older brother. The boss of the Cooler Force division, he is just as cruel as the rest of his family and was the first known member of his family to discover a transformation beyond his race's true form. Male. Cooler appears to have had a simple sibling rivalry with Frieza, labeling him as arrogant, foolish, a spoiled brat and a pest.