The crab-bodied crawler survives as a talking Veriluxx toy still shouting his catchphrase on a dusty shelf.
Raul appears in the epilogue only as merchandise: a crab action figure in the Veriluxx Real Pet Companion line, sitting on a shelf at Squirties among the models Zander is clearing out.
When the Uzi Jesus figure gestures too broadly and knocks it over, the Raul toy announces itself cheerfully - Hello, fine warrior! I am Raul - and, as Zander despairs about being indentured, calls out the line the galaxy evidently associates with him: Do not kowtow. Never kowtow.
Reproduced as a crab-bodied action figure with a cheerful recorded greeting.
A crawler remembered by the wider galaxy as a catchphrase in plastic.
Also appears in books you've already read — spoiler-safe to their endings: