what do mandalorian mercs do
(Fan Community). The Mandalorian Mercs Costume Club is the world's premier custom Mandalorian costume organization. With 35 chapters in 7 countries around the world, members of Mercs take part in a wide range of activites, including local and international conventions, charity events, and fan gatherings.Founded in March 2007, the Mercs grew rapidly from a core of 5 members to now over 350 across the globe.ith 35 chapters in 7 countries around the world, members of Mercs take part in a wide range of activites, including local and international conventions, charity events, and fan gatherings. Founded in March 2007, the Mercs grew rapidly from a core of 5 members to now over 350 across the globe.