But they're serene ocean-dwellers with thick shells...
...
Yeah, bear is better.
EDIT
Heh, at the very least, Ishas and turtles can be alike. Both make me smile for no reason.
Anyway, funny anecdote about galapagos turtles... apparently people can park their cars on top of the sleeping turtles, who then wake up and walk off. That kind of ultimate self-centeredness surely must be SLI, right?