Zuno (SSJJ)

Zuno is mysterious character that appears as a minor supporting character in Dragon Ball Super, and a minor character in Dragon Ball Advanced.

Tale of Two Coolers Saga
Zuno's planet became collateral damage in fighter between Cooler and Future Meta-Cooler as they went from July 6th, Age 854 to Age 750 resulting in time distortion on the planet that caused it to move from its orbit. Zuno was killed by Future Cooler as a result of collateral damage, but his death was erased by Chronoa.