I'm doing his hair in split stitch using six strands of floss.
Close-up of the face
Here is the photo I used. My original choice was this one of him with a frog, since he looked particularly smiley and kindly (and duh, he had a frog!!) but the Photoshop process reduced the frog to an unidentifiable lump of lines.
If this thing turns out well, it will thrill me to the marrow!