squiddy

This immediately came to mind, from the movie "This is Spinal Tap." Probably won't help, unless you're wanting pop culture references. But you did say any material...

Nigel: And....it was tragic really...he exploded on stage.
Derek: Just like that...he just went up...
Nigel: He just was like a flash of green light...and that was it,
nothing was left...
David: Look at his face .... it's true, this really did happen.
Nigel: Well, there was a little green globule on his drum seat.
David: Like a stain, really.
Nigel: It was a small stain, a globule, actually, and...
David: You know several...you know dozens of people spontaneously combust each year, it's just not really widely reported.
Nigel: Right.

Wounded King

'Bleak House' is a novel by Charles Dickens, in which one of the characters spontaneously combusts.

Paperstreet

There was a special on the discovery channel about spontaneous human combustion. Turns out that people don't actually spontaneously combust.

Lobstrosity

Way to ruin the ending for the rest of us!