I got a question for you: Brendon Boyd Urie (born April 12, 1987) is an American singer, songwriter, and musician, best known as the lead vocalist of Panic! at the Disco, of which he is the only original member remaining.

Based on this passage, who's the lead singer of panic at the disco?
Let's think first:
The relevant sentence in the passage is: Brendon Boyd Urie (born April 12, 1987) is an American singer, songwriter, and musician, best known as the lead vocalist of Panic! at the Disco, of which he is the only original member remaining.
Therefore, the answer is Brendon Boyd Urie.