Dunkel Cooper

Dunkel Cooper was an Ensign in the Titans forces, and serves as a wing man for Yazan Gable along with Ramsus Hasa. He was first seen before Operation Apollo, and was the test pilot for the RX-110 Gabthley, which he piloted against Paptimus Scirocco in the PMX-000 Messala.

(Source: Gundam Wikia)