Play as Hidden Characters (all done on character select screen);
Vitriol: right, right, right, up, up, down, left, left, down, down
Mayhem: left, right, down, left, up, left, down, left, down
Supervisor: down, right, down, up, right, down, left, down, up, right, up
Anil 8: up, right, down, right, right, up, left, up
Assault: right, up, up, right, down, right, up, up

Execution Moves;
NOTE: not all of them are done exactly how I have them posted. A few of them resemble how I labeled them. Most of the characters other than the hidden ones, Crusher, Griller, and Prime-8 work.
Anil 8: d, d, a, punch
Assault: t, dt, d, da, a, punch
Chromax: a, a, t, punch (jump distance)
Crusher: t, dt, d, da, a, kick (close)
Cyborg: t, dt, d, da, a, punch (jump distance)
Deadlift: a, a, a, kick (close)
Detain: a, da, d, dt, t, kick (jump distance)
Griller: t, t, t, punch (close)
Insane: a, a, a, punch (close)
Loader: a, da, d, dt, t, kick (jump distance)
Lockjaw: a, a, t, punch (jump distance)
Mayhem: ?
Necroborg: a, da, d, dt, t, kick (jump distance)
Prime-8: t, t, t, t, t, t, punch
Rook: t, t, t, punch (jump distance)
Salvo: t, dt, d, da, a, kick (jump distance)
Steppenwolf: t, dt, d, da, a, kick (close)
Suikwan: t, dt, d, da, a, punch (jump distance)
Supervisor: ?
Vandal: a, da, d, dt, t, punch (close)
Vitriol: d, da, a, kick (jump distance)
V1-Hyper: a, a, a, punch (jump distance)
War: a, t, a, kick (jump distance)

Super Moves;
Unlike the Executions, ALL of these work and I have all of them.
Anil-8: t, dt, d, da, a, da, d, dt, t, punch
Assault: t, dt, d, da, a, da, d, dt, t, punch
Chromax: d, d, d, kick
Crusher: a, a, a, t, t, kick
Cyborg: t, da, t, punch
Deadlift: a, da, d, dt, t, dt, d, da, a, punch
Detain: a, dt, d, da, a, punch
Griller: a, da, d, dt, t, kick
Insane: a, da, d, dt, t, dt, d, da, a, punch
Loader: a, da, d, dt, t, dt, d, da, a, punch
Lockjaw: t, da, d, dt, t, punch
Mayhem: a, da, d, dt, t, dt, d, da, a, punch
Necroborg: a, da, d, dt, t, dt, d, da, a, kick
Prime-8: d, a, d, a, kick
Rook: t, dt, d, da, a, da, d, dt, t, punch
Salvo: t, a, da, d, dt, t, kick
Steppenwolf: a, da, d, dt, t, dt, d, da, a, punch
Suikwan: hold t, punch, punch, punch
Supervisor: hold d, kick, kick, kick
Vandal: a, da, d, dt, t, dt, d, da, a, punch
Vitriol: t, dt, d, da, a, punch
V1-Hyper: t, dt, d, da, a, da, d, dt, t, punch
War: t, a, da, d, dt, t, punch