Porter was a captain within the New Republic's forces, holding the military rank of captain. This male human served as a pilot circa 9 ABY. Stationed on the planet of Lothal, Captain Porter flew an E-wing starfighter and used the designation Spectre Two-One. He, along with Lieutenant Callahan, received orders from Republic Governor Ryder Azadi to locate Commander Sabine Wren.
The character of Porter was initially unveiled when the LEGO set 75364 New Republic E-Wing vs. Shin Hati's Starfighter was announced; it was made available on September 1, 2023. He subsequently made an appearance in the Disney+ series Ahsoka, specifically in the first episode, which debuted on August 22, 2023. The role was played by the actor Matt Law.