Figlet

From S23Wiki

FiGlet is a program for making large letters out of ordinary text

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| | |   <  __/ | |_| | | | \__ 
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                          .   oooo         o8o           
                        .o8   `888         `"'           
 .ooooo.  oooo d8b    .o888oo  888 .oo.   oooo   .oooo.o 
d88' `88b `888""8P      888    888P"Y88b  `888  d88(  "8 
888   888  888          888    888   888   888  `"Y88b.  
888   888  888          888 .  888   888   888  o.  )88b 
`Y8bod8P' d888b         "888" o888o o888o o888o 8""888P'

apt-get install figlet

http://figlet.org

Try these commands:
figlet fnord
uname -a | figlet
ddate | cowsay | figlet

(Check out CowSay if you don't have it installed.

Figlet server: http://www.schnoggo.com/figlet.html
see also: CowSay ASCII AsciiArt AsciiCodes

[edit] Figlet Wiki Extension Test

see Category:Figlet, Figlet, Figlet_Extension

                   
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<figlet>Cow</figlet>