Garden helper?

Hello, These 5 little plants are puzzling me. I'm pretty sure I didn't plant them, I'm getting older but I don't think I'm suffering from that, that....oh darn what you call it  
Anyway I don't think they are just common weeds, something too precise. 

I speculate my helper is a fuzzy little one of gods creatures about 6inch long 2inch tall with a cousin Alvin in Hollywood. We have LOTS of these little guys running around and they can just walk straight through our deer/rabbit fence. 
I think he must have buried them before the mulch since it was never disrupted.  Wish my Dill was doing as good as these...maybe sunflowers? That's my guess since we indulge the birds visiting the feeders.

There is another group of these popping up in another Square Foot. It would be interesting to see what they grow into. And there is nothing extraneous in the elevated bed. 
Wow gardening is a great learning adventure.
OC
PS who ordered this mid summer hell weather? We are not supposed to be 90+ and humid, that's Mid Atlantic nonsense!!!

3ft! holy cow, you can hardly see my Dill. Heck I got excited because it just got true leaves or what ever you call a Dill plant's main stuff  

I stand corrected by that "Mid Atlantic" heat stuff. I should know better I rode a bicycle ride in IOWA, RAGBRAI, several years ago in the end of July. Yes the midwest get HOT. 

I'm doing nothing but hand watering. The last rain we had was 1/2inch on June 11th and next predicted Jun 26/27. I've ordered a Drip irrigation setup but still waiting. 

I think I'll thin those "sunflowers" and see what happens. I'll post a picture when the true leave come out. 
OC

Did you ever figure out what your seedlings were?  
And if they survived -- that is if your little garden helper didn't re-discover them as a nice salad--  what do they look like now?