Characters most likely to be offed in an Agatha Christie mystery, a thread:

-the second wife/mistress of a penniless yet handsome man, whose former lover seems to pop up everywhere
-the old man who's just changed his will
-the games mistress, because everyone hates PE

-the village gossip who tells literally everyone except the police that they witnessed a horrific crime
-the acid-tongued lady millionaire whose children despise yet fear her
-children in bee costumes named Joyce

-mysterious foreign gentlemen whose relationship with the rest of the party is unclear, but seems to know everyone's secrets
-whoever most loudly proclaims that the recent death is only a most unfortunate accident with no foul play involved
-the maid