DR01D (FREE)

It's not a bad application; it definitely makes bleeps and whistles like the famous character it seems to hint at, and it does those very well. It includes additional skins which the user has to manually put somewhere.

I did not like that it is a standalone app rather than a VST Plugin - that made for a lot of extra work to get the novelty sound, and too much work for me to play with it long enough to see if I could use it in a song.

The main interface has a "presets" grid on the upper left side. Those which lit up were not in sync with my mouse, and the entire first (left) column were "dead" while the last (right most) column were inaccessible (the whole grid was offset one space to the tight).

For my purposes, I wasn't impressed. I would find more favor in this app if the skins were easier to access (installed to a spot where I could just click and access rather than having to drag and copy various folders); if the presets grid lined up with my mouse; and - most important of all - if this were a VST3 plugin I could use in my DAW rather than as a standalone app. The current incarnation looks great and the sound is clear, but the installation and accessibility are far too much work for the novel effect it generates.

(I use a MacBook Pro with an M-Series Pro chip and the most recent MacOS, and the software I tested it with was Reason 13 and TwistedWave 360).