47.

(Additional data may be located here.)

Sanctum Sanctorum Comix says:

March 13, 2016 at 5:10 AM

HAPPY BIRTHDAY, Mikester!
If it was going to happen at ANY time in your life, THIS is the year a Star Trek away team will come into the shop and ask you your age.
Signal Watch says:

March 13, 2016 at 9:25 AM

Happy B-Day, sir!
ArghSims says:

March 13, 2016 at 11:24 AM

Wishing a happy birthday to my favorite muck-encrusted mockery of a comics retailer (with a giant-sized Man Thing.)
stavner says:

March 13, 2016 at 1:45 PM

Happy birthday!
Casie says:

March 13, 2016 at 11:27 PM

Happy happy birthday, Mike! :)
https://drawception.com/pub/panels/2014/6-16/M7Kj77aX3R-4.png
Old Bull Lee says:

March 14, 2016 at 12:02 PM

Happy birthday!
Snark Shark says:

March 15, 2016 at 7:48 PM

happy birthday!!