Found out that this unnamed LEGO Arc Trooper is actually a named Clone in Season 3 episode 2 (“ARC Troopers”). He is seen for a few seconds and goes by “Hammer”. I
Star Wars Rancor Battalion ARC Troopers Colt Blitz Havoc Hammer 4 Minifigures Set - J's Little Things
Clone Commander Wolffe – Minifigs World | museosdelima.com
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Star Wars Rancor Battalion ARC Troopers Colt Blitz Havoc Hammer 4 Minifigures Set - J's Little Things