Vorbereitung: apt-get install filters

Dann für einen Überblick:

for i in b1ff chef cockney eleet fudd kenny kraut pirate spammer upside-down; do echo $i; echo "Far out in the uncharted backwaters of the unfashionable end of the western spiral arm of the Galaxy lies a small unregarded yellow sun." | $i; echo; done

b1ff
FAR OUT 1N THE UNCHARTED BACKW8RZ UV THE UNFASHIONABLE END UV THE WESTURN SP1RAL ARM UV THE GALAXY LEIZ A SMAL UNREGARDED YELOW SUN.

chef
Fer oooot in zee uncherted beckveters ooff zee unffesheeuneble-a ind ooff zee vestern speerel erm ooff zee Gelexy leees a smell unregerded yelloo soon.
Bork Bork Bork!

cockney
Far out in the bloody uncharted backwaters of the unfashionable end of the flinkin‘ western spiral arm of the Galaxy lies a small unregarded yellow sun.

eleet
f4r 0ut 1n th3 unch4rt3d b4ckw4t3r5 0f th3 unf45h10n4bl3 3nd 0f th3 w35t3rn 5p1r4l 4rm 0f th3 g4l4xy l135 4 5m4ll unr3g4rd3d y3ll0w 5un.

fudd
Faw out in de unchawted backwatews of de unfashionabwe end of de westewn spiwaw awm of de Gawaxy wies a smaww unwegawded yewwow sun, uh-hah-hah-hah.

kenny
Mpfmmmpff ppffmffmp mffppp fmpmfpmpp fmfpppmmfmfpmmmpfffmpmppmpm mmpmmmmmfpmpfppmmmfmpmpppfffmm ppfmpf fmpmfpmpp fmfpppmpfmmmfmmmfpmffppfpppmmmmmppmfmpp mpppppmpm ppfmpf fmpmfpmpp fppmppfmmfmpmpppffppp fmmpfmmffpffmmmpmf mmmpffppm ppfmpf fmpmfpmpp Mfmmmmpmfmmmfpfffm pmfmffmppfmm mmm fmmppmmmmpmfpmf fmfppppffmppmfmmmmpffmpmmppmpm ffmmpppmfpmfppffpp fmmfmfppp.

kraut
Far out in ze uncharted backwaters uff de unfaschionable end uff de vestern spiral arm uff de Galaxy lies a small unregarded yellow sun.

pirate
Far out in th‘ uncharted backwaters o‘ th‘ unfashionable end o‘ th‘ western spiral arm o‘ th‘ Galaxy lies a small unregarded yellow sun, by Blackbeard’s sword.

spammer
Dear Friend, Far
out in the uncharted backwaters of the unfashionable end of the western spiral arm of the Galaxy lies a small unregarded
yellow sun.

This is a one time e-mail!
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8D4A20728CC8670635C16C332F1AC2F2A6BF10F91546EECE6641A5F2EAD63C76003F62F2B
6074CB9FC2FDC32EEC1B603FE5BFF77248701E2BE4AB7DA342C4AF5E1E929FB8D08915635103D

upside-down
‚uns mo77ah papje6ajun 77ews e sa!7 hxe7e6 ayf jo wje 7ej!ds ujafsam ayf jo pua a7qeuo!ysejun ayf jo sjafem>|)eq pafjey)un ayf u! fno jej

Den letzten finde ich besonders witzig, auch wenn man da im Vorteil ist wenn man keinen Röhrenmonitor mehr hat: das liest man kopfüber…