These designs are hip(ster) and quite fun. #4 has a retro-ish line art look. For #5 and #7, I played around some hipster mustache idea and put in smile in there to highlight the shining teeth.
Hi again mate ... I would appreciate any feedback from my submitted designs. You can also let me know of any changes you'd want to see (or not want to see) on the design .. this is all for me to come up with the best logo for you.