 
<translate> Iji zaa ajụjụ a, anyị kwesịrị ịmara na: Ndị mejupụtara ìgwè ahụ bụ onye na-abụ abụ na onye na-akụ ụbọ akwara bụ Patrick Stump, onye na-akụ ụbọ bass bụ Pete Wentz, onye na-akụ ụbọ akwara bụ Joe Trohman, na onye na-akụ ọkpọ bụ Andy Hurley. Ya mere azịza ya bụ Patrick Stump. <eng> To answer this question, we should know that: The band consists of lead vocalist and rhythm guitarist Patrick Stump, bassist Pete Wentz, lead guitarist Joe Trohman, and drummer Andy Hurley. So the answer is Patrick Stump. 