um... ok. So far, I really haven't found these all that funny. Maybe its out of context, may be its because I don't know the characters all that well, maybe its because you only have two comics posted so it doesn't have any time to grow on me, or maybe its because they are just not that funny.
Post more and I can get a better handle on why I'm not rolling with laughter.
You also need to lay out your comics better. Your pacing and layouts are pretty horrible, perhaps another reason I do not find them funny.
Study other comic strips, look at they way they are constructed, how they flow and tell the story. even simple ones like XKCD cyanide and happiness, order of the stick, the amazing super powers or the early days of MS paint adventure.
If that doesn't help any, go out and get some books on doing small comic strips or look online for tutorials. Their are tools and resources and people willing to help you if you will just go out and look for them.
One bit of good I can give is that the art isn't that bad. it might take a bit more refining if you want to continue this, but that should come naturally with time if you continue to try and better yourself and your work.
good luck and keep working. If you do your sure to get there eventually.