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
ARC Trooper | Brickipedia | Fandom
LEGO Star Wars Clone Wars - Clone Trooper Battle Pack ab € 99,99 (2023) | Preisvergleich Geizhals Österreich
LEGO Star Wars 40558 Kommandostation der Clone Trooper im Review | zusammengebaut