Here’s what I have, by server, at least the ones that I play somewhat “regularly”:
Justice
“Mains”
Flaminatrix - Mutation, Fire Blast/Fire Manipulation Blaster (Hero), level 36
Bruised Violet - Magic, Dark Melee/Dark Armor Brute (Villain), level 26
“Alts”
Incinerata - Science, Fiery Melee/Fiery Aura Scrapper (Hero), level 12
Alternat - Science, Radiation Blast/Energy Manipulation Blaster (Hero), level 11
Jouleiana - Technology, Energy Blast/Energy Manipulation Blaster (Villain), level 10
Plus several “once in a while” characters.
Liberty
“Mains”
Cobalt Claw - Science, Claws/Invulnerability Scrapper (Hero), level 24
White Orchid - Magic, Energy Melee/Energy Aura Brute (Hero), level 16
“Alts”
Ankheza - Magic, Energy Blast/Electricity Manipulation Blaster (Hero), level 13
Plus several “once in a while” characters.
Exalted
“Mains”
Psychosa - Science, Psychic Blast/Mental Manipulation Blaster (Villain), level 17
Shocking Pink - Science, Electrical Melee/Electric Armor Scrapper (Hero), level 13
Bunch of minor characters
Defiant
Teardrop - Mutation, Super Strength/Invulnerability Brute (Hero), level 13
The only ones who are already in SGs are Flaminatrix (some longass phrase in Latin that nobody is going to remember when asked “What SG are you in?” and why do people think they’re being clever when they do that anyway?) and Psychosa (EXALTED Empire).