Jason Keenan

Jason Keenan, as is his alleged birth name, was an American YouTube personality and owner of OnisionEncore from April 2011 to August 2017. He died of undisclosed reasons on August 7, 2017. Source is ancestors .com. The information can also be found on another fandom page.

YouTube career
Keenan is a former musician from the 90s. He started his YouTube channel by himself in the late 2000s. Currently, his channel has 9.09 subscribers but is inactive. Keenan's most popular video has 3.6 million views.