The one on the right VAGUELY looks like a take on cioppino - maybe with all of the seafood that can be in either dish they figured "meh?".
Saffron is too expensive to do a paella justice here, though I had a couple of decent ones at a tapas place near Rice University - they also did this curried monkfish to die for. Since the saffron thing is out of the question, I do the "Acadian" version of paella: jambalaya. I know they aren't the same, but they share a similar concept and can both be very good when done properly.
Haven't seen the fries done here (Texas, or anywhere I've traveled around the States - sounds Canadian
), but doing a burger with blue cheese inside, or grinding bacon into the meat, and putting cheddar inside, are a couple of variants I've done and enjoyed. Like many such things, you have to be careful with the proportions.
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Onion rings on a burger is a favorite and you can get them that way around here (SE Texas) at most places. I'm also a mustard (and ketchup) guy on a basic burger (or cheeseburger, or bacon cheeseburger, with or without onion rings and jalepeno slices), and will do other things on other kinds of burgers, but have never been a mayo fan, though it is a default at lots of places in the US.
And as for a "cook out" time, I used to throw a big pool/patio party each year on Labor Day Weekend (the "official unofficial end of Summer"). Labor Day in the US is the first Monday of September, so the last weekend can be the last couple days of August, or the first few days of September.