Most of the cake toppers I do are posed back to back. Some of the brides and grooms I work with like to have something a little more dynamic to their poses.
Here's a topper I made recently of a couple that really wanted to look like they were in the thick of it.
Something feels right about using blades meant for whacking foliage on the zombies (machetes and a scythe).
I don't know why it is, but those weapons just seem so badass to me.