Charlie Hall sports a short, trimmed beard with glasses and a Kippa Sruga and likes to wear bow ties.
Sacrilege has dark hair and likes to roll her eyes for sport.
BT Totty looks like any typical 30ish BP Totty except he lacks the infamous Chassidish/Heimish accent (although a real pro can still detect it)
Eclipse looks like my mother.
Oomis is a short, plump woman who slightly resembles Mrs. Weasley (from Harry Potter) and bakes delicious pastries (especially pies)
(Please note that these descriptions are solely based on a figment of the authors imagination and in no certain way represent any actual likeness to the above persons)