Based on the provided reference, the individual unmasked as the "Sir Lion" on The Masked Singer was Billy Bush.
The Unmasking of Sir Lion
The reference video title, "Billy Bush becomes 'Sir Lion' on The Masked Singer," and the description mentioning "we said goodbye to the sir lion last," directly identify the personality under the Sir Lion costume.
Identifying Sir Lion
- Costume Name: Sir Lion
- Revealed Identity: Billy Bush
- Outcome: Unmasked/Eliminated
The reveal of Billy Bush as the Sir Lion was a notable moment on the show, confirming the identity behind the elaborate costume.
