Two Mexicans are on the back of a fire truck: José and Hose B.

I get the hat, and the mustache.....but why is the hose a different shade of green?

it's a stretch

Where's the Canadian square hoser, eh?

Hosea feeling left out:

No, this is jose: https://datatracker.ietf.org/wg/jose/about/

Why does this look like ai but has a signature