He has a somewhat extensive post history unrelated to his character on his Weibo, though there are many posts in-character relating to his reactions to other Chinese vocal synths. His Sharpkey confirmation can be found here.
He was teased on his official Twitter on December 26th, said to be released in 2019.
On May 28, 2020, more information about his character was revealed in addition to five new demos. It was confirmed that he was receiving four voicebanks: Normal, Soft, Rock, and Light. In other credits, the following was listed: technical support by boxstar, logo by Serge Sun, 3D model and production by L-Seika.
Yun Hao's birthday is listed as May 28 and his representative colors are #8DDEF1 and #FCC0C0.
While he is commonly referred to as "Yun Hao", some sources site his name as Sheng He. "云" (Yún) means "Cloud" while "灏" (Hào) can mean "vast of", "large", "grand", or "expansive". This roughly translates his name to mean "vast of clouds" or "large cloud".
Due to this, he may have a sky or cloud-like theme.
He has an ocean-like color scheme, with short-medium length hair that is styled in a messy pattern going from a bright cyan blue to a dark purple in a gradient. He wears a black tank top as well as black tights, with shorts much in the same style as his hair on top, and a semi-transparent jacket over his chest. He wears boot-like shoes that flare at the top and have gold accents, as well as a purple band in a similar color to his jacket on his left wrist.
|Demo Crossfade (Unnamed demo, 独酌 (Dúzhuó), 种族假象 (Zhǒngzú Jiǎxiàng), 99°C溺亡 (99°C Nì Wáng), 一百个十年 (Yībǎi Gè Shí Nián))||YouTube bilibili|
|涟漪 (Liányī) ft. Yun Hao Normal||bilibili|
|种族假象 (Zhǒngzú Jiǎxiàng) - Full version||bilibili|
|Yun Hao was introduced as a Sharpkey voicebank with a somewhat neutral and nasal voice. He has four voicebanks produced for DeepVocal: Normal, Soft, Rock, and Light.|
|Software Issues as noted:|