[Kankuro grins and wiggles his fingers.]

I'm a puppeteer, little brother. Jounin of the Playhouse and all that good stuff.

[It's not that much of a surprise that Gaara doesn't know; if he's too young to remember Yashamaru's death, then his Kankuro can't be more than eight or so. He didn't start learning the threads until about that age, although he'd been mad about the puppets long before.]