Heffer Wolfe: [to Rocko] You're blind as a bat.
Bat: Hey! Listen, bud! We bats are sick and tired of these stereotypes! We got enough problems with the whole 'vampire' shtick without being classified as visually impaired!
Heffer Wolfe: Sorry.
Bat: [bumps into a wall] 'Scuse me, ma'am.
[Bat bumps into something else]
Bat: Oh. Sorry, sir.