Musil is Sky Diamond, a crystalline alien that formed symbiosis with a human scientist after crash landing on Earth. They are a warrior with crystalline powers that turn their skin prismatic crystal in nature. They’re searching for the prisoner Metallo that was aboard the same crashed ship.
Shawna plans to be a humanoid named Bia from another planet. On her homeworld everyone has Super Strength, but she was considered weak compared to her peers. Now she resides on Earth and has a day job as a fashion model. She’s opposed by this human model Seraphine who seems to best her at every turn.
Trent is Ratigon, an underground dweller (like a Morlock from X-Men or something) inspired by Junkrat from Overwatch. He got his powers from some sort of toxic waste in the city’s underground. His character can burrow, wall walk, has some sort of pestilence or infection aura, and has a pet rat. He’s opposed by Mr. Clean, a hired hitman.
Greg is deciding between two concepts Scaramouche:
Scaramouche is a court fool type hero that stole a bunch of artifacts that grant him power, he now uses those artifacts for good in an attempt to make amends for his misdeeds. He’s pursued by the individual(s) he stole from, who wish to recover the artifacts without involving the authorities.
The Dancing Scimitars is a devout, ageless Ottoman Scimitar Dancer with the psionic ability to control his blades. He seeks to uphold his code of honor, and protect his ancient tradition. He is opposed by the villain The Fang.