To achieve the effect and have it stay true to the films and the history of this particular droid, they turned to Lucasfilm Animation's Gary Scheppke, who got a box full of 'Artoo bits' and to the modelers who began basing all of their work off the actual hardware that has historically been shown as being part of R2-D2.— EclipseMagazine
The pilot droid is also a unique minifig, but unlike the Count, it can be made with LEGO pieces from other sets, but I admit that the use of a skeleton leg for the head is pretty clever.— The Brothers Brick
The tactical droid is growing impatient and changes plans.
R2-D2 mouse looks like a droid you'd want to have around the house:— Fanboy.com

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