Mully Biography: YouTube Career, The Boys Group, VR Gaming, Net Worth, Age, Girlfriend, Real Name
William Jonas, known online as Mully (formerly MullenSlays), is a prominent Australian YouTube content creator and VR gaming star, best recognized as a core member of the popular group The Boys alongside JoshDub, EddieVR, JuicyFruitSnacks, and Your Narrator.
He rose to fame through hilarious virtual reality gameplay, meme reaction videos, and edgy humor that resonates with a massive global audience.
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| Real Name: | William Jonas |
| Stage Name: | Mully |
| Born: | January 7, 1994 (age 32 years old) |
| Place of Birth: | Australia |
| Nationality: | Australian |
| Ethnicity: | Caucasian |
| Height: | 180 cm |
| Religion: | Unknown |
| Parents: | Mr. and Mrs. Jonas |
| Siblings: | Unknown |
| Spouse: | None |
| Relationship: | Dating |
| Children: | None |
| Occupation: | VR and Gaming YouTuber, Content Creator |
| Net Worth: | $1 million USD |
Early Life and Education
William Jonas, born on January 7, 1994, in Australia, to Mr. and Mrs. Jonas. Details about any siblings remain largely private, with no public information available.
Before entering content creation, he trained and worked as a qualified chef, gaining practical skills in the culinary field.
He did not pursue traditional higher education degrees, instead channeling his creativity into digital media. He is of Caucasian ethnicity, and his religious background is not publicly known.
Career
William Jonas entered the digital space after leaving his job as a qualified chef around 2016, initially experimenting with content creation while taking on editing roles for creators like Kwebbelkop and Lazarbeam.
He launched his main YouTube channel in 2019 under the Mully name, quickly gaining traction with humorous VR gameplay videos that showcased his comedic timing and chaotic energy.
Early breakthroughs, such as the viral hit I Took a Kid to a Wedding in VR, helped him build momentum and connect with future collaborators, forming the group The Boys that amplified his reach.
His content evolution from VR adventures to meme reactions on the sleepymully channel has driven substantial growth, earning him multiple YouTube Play Buttons and a dedicated fanbase.
As a key member of The Boys, Jonas has contributed to the collective’s impact on gaming and VR entertainment, inspiring many creators with his authentic style and consistent output.
His work has helped popularize VR as a comedic format while leaving a lasting mark on collaborative YouTube culture through humor-driven group dynamics.
Social Media
- Instagram Handle: @sleepymully
- Twitter Handle: @Mullyy
- YouTube Channel: Mully
- TikTok Handle: @sleepymully
Personal Life
William Jonas, the 32-year-old 180 cm tall Australian creator, keeps much of his private world away from the camera while recently confirming his relationship with Jayme in early 2026.
He has no children and previously had rumored connections within his collaborator circle, including fan speculation around Tanner.
Jonas values his close friendships within The Boys group and maintains a low-key lifestyle focused on content and personal interests outside of his chef background.
Net Worth
William Jonas possesses an estimated net worth of around $1 million USD, accumulated mainly through YouTube ad revenue, sponsorships, and merchandise tied to his channels and The Boys group.
His income sources also include brand collaborations in gaming and VR spaces, plus consistent viewership from both main and reaction content.
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