Beep created in Logic Pro, has a bit of a 'plastic' or 'rubber' feel to it.
KONICHIWA! Free SE from Japan http://taira-komori.jpn.org/freesounden.html
Sounds done with a web based soft synth. Will make more sounds on demand.
Some tweaked Kicks Made on the Virus Ti.... various parameters tweaked on a basic synthesized kick, to create many effects ...
a stabby type thing i made in simsynth.
Chipmunk type cartoon animated scratch sounds
I made this sound in a freeware VSTI(called fauna), and applied a little reverb.