Next two efforts, based on George Liquor's poses from "Man's Best Friend".
Clean-up & ink (it was rather difficult, and some of the lines and forms look little bit lumpy to me, unlike the original):
The final version with added simple background and color:
Next pose, my first and third pencil sketch attempt (I'm not very satisfied with any of them):
The last one served as the basis for my cleaned-up and inked version. Again, I'm not thrilled with this. The inking is relatively stiff, and I missed some subtle curves and changes of the line thickness. The face seem to be OK, and the body needs some serious reworking (especially the bottom half). John's original can be seen here.
The final version in color: