I saw Piranhartist
's characters done in a chart like this a few days ago and it seemed like a good wind down project, so Kyler got the treatment.
Stuart and Ross technically haven't been introduced in W.A.T.S.O.N Your Mind? yet, but if you scoot around the gallery, you'll find old art with them in. Ross had a design upgrade since then, but his personality hasn't altered one bit.
Colour later, perhaps.