Animate a double-exposure portrait: his ghosted twin slides away, turns and merges back into him.
Attach the photo you want to animate when the chat opens. Video costs credits per second, and you see the price before it renders.
Black and white double exposure. His ghosted second image slowly slides away from his body and turns to face the other way, then drifts back and merges with him. Dim office, static camera. Sound: a low drone and a ticking clock.