I know it's a little complicated, but also...
This is a reference of what happened, if only Sonic Characters were present
in the game.
(That's why Mario Characters are absent)

So:

Top Stellar Shadow (Is the Main Leader of The Stellar Band
and replaces Mario)

Anew Stellar Sonic (Subleader, but normally...
it's Sonic "spot light" and he takes 3rd place as a Crew Member)

DJ Stellar Espio (2nd Crew Member and replaces Yoshi)

????? ??????? ???????? (??? Crew Member and replaces Tails)

VJ Stellar Golden (Well... he obviously takes place of Golden Sonic,
as he's Golden Sonic, but possessed by "You know Who")

Everyone in the Stellar Band are males, no female member present there...

Well... except for Soldier Grandeur Silent... Ok, no more spoiling.

Right, that's what I wanted to say. Gotta go. Have a nice day!