Joe Johnston and PTG Beauregarde.
The Union commander was General McDowell. The Confederate commander was General Beuregard.
Robert E. Lee
At the first Battle of Bull Run the Confederate commanders were PT Beauregard and Joseph A. Johnston. At the second Battle of Bull Run the top Confederate commander was General Robert E. Lee.
Joseph E. Johnston and PGT Beauregard of the Confederate States of America took on Irvin McDowell of the Union forces.
In the First Battle of Bull Run, which took place July 21, 1861 had two Confederate Commanders. They are Joseph E. Johnston and P.G. T. Beauregard. In the Second Battle of Bull Run which took place August 28 through August 30th, 1862 had one Commander. He was General Robert E. Lee.
The main Confederate commander at the second battle of Bull Run was Robert E. Lee. He was assisted by among others by Generals Longstreet and Jackson.
I am pretty sure it was Thomas "Stonewall" Jackson.
The battle was Bull Run (Manassas), and the Confederate commander was Joseph E. Johnston, who ceded some authority to P.G.T. Beauregard on account of the latter's close knowledge of the terrain.
The First Battle of Bull Run aka First Battle of Manassas.
First Battle of Bull Run - 32-34,000 Second Battle of Bull Run - 50,000
Stonewall Jackson
First Bull Run