what program is used for the ...

[soadkickswhites]

"robotic" voices such as the pube muppet series and parodies, all your base etc. (don't say bonzi buddy)

[Goatpower]

Speakonia, cool speach, Textaloud, many. www.download.com

[pieoncar]

All your base used a Speak 'n Spell, if I'm not mistaken... There's supposed to be some SNS emulators available online, but I've never gotten them to work for me.