circus acts using magic

OK, I have a circus run by a group of people who have magical powers and autistic traits while alive, and come back from the dead as intelligent, magical telepathic zombies (who look and move like regular zombies, by the way). They live in a society where magic and the undead are feared and persecuted, so they're disguising their magic as clever circus acts.

Any ideas for good acts they could have? I was thinking some No One Could Survive That! stuff for the zombies, magic acts using real magic, and some savant acts for The Rainman type characters. But I can't think of what specifically to do.

Trapeze artists who literally defy gravity. Pyrokinetics. You could probably do something with knives. But it mostly depends what kind of powers your people have.

Audience participation magic tricks, for the mind readers.