Jayne didn't know Crazy was under his bed.
Why would he? He was a gorram fully grown merc. It weren't like he checked under his ruttin' bed ev'ry night fer monsters or nuthin.' It weren't like he were worried that there was somethin' in his bunk, under his bed.
But there was somethin' there. Somethin' with brown hair, brown eyes, and a broken brain. But, Jayne didn't know. Not 'til she started screamin,' anyway.