Are these real LEGO figures or custom non-LEGO designs?
Yes they are. The top figure is made out of these parts:
Head: Item 3626bpb0220
Hair: Item 3901
- Legs: Item 970c00
The bottom figure has the same torso as the top figure, and these parts:
Head: I cannot find this as a LEGO provided minifig head print, but there are several ways to customize LEGO heads, like through minifigs.me so this could be a custom head not produced by LEGO.
Hair: Item 4530 in Tan
- The lower body is made out of the following Yellow bricks:
- A 3023 Plate 1x2 for the hips
- Two 3062b Brick, Round 1x1 Open Stud for the legs
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The head reminds me of the freckled boy face from a few years ago. Also it's worth pointing out that while these are official Lego pieces, this particular arrangement is strictly unofficial. – Mr. Shiny and New 安宇 Nov 12 '15 at 14:46
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Freckled boy face probably refers to this face: http://img.bricklink.com/P/3/3626bpx19.gif / Bricklink page – TheQ Nov 23 '15 at 15:01