He isn't as loud as he used to be.

For so long, Thaddeus was a living statue in the Flash Museum, his waking moments spent staring at the stone visage of Impulse, the man he wished to replace.

It changed him. Time whittled at his bitter hatred and envy, and a strange guilt remained.

The infamously 'heartless' Inertia was freed as of late, now vulnerable on a hospital bed without his signature snark or attitude. He was just so much quieter, and no one knew why.

What a strange twist.