perl -e'$_="074043072044-12077033078038066035079-47127-26140-320640080
+89010097004110-66076";do{print chr$_+$;;$;=$_}for/(...)/g'
Looks like an UID, so that's nice.
Not too inspired for this one, just got the random idea to make this.
perl -e'$_="kJ/u,sGt: iABnWo%thhTe,r_ JPAeGrfl; KHGafcVkserr,";s/(.)(.
+)/$2/g;$|=1;do{print;sleep 1;$:=$_;print chr()x length$:for 8,32,8}fo
+r/\w+?\W/g'
Could've made it shorter, but I kind of liked using (.)(.) and a small bit of obfuscation, so sue me. :P.
Anyway, this one's based on something I saw here a while ago, but I can't find the node. It used the same type of "clearing" I'm using :P.
It's tested on Linux with gnome-terminal, so I don't know if it'll work on Windows, I hope so.
Anyway, hope you like them, and can find ways to golf these, the second one should be very golfable, not too sure about the first one :)