My parents are from El Salvador.
A typical breakfast could have:

• Eggs
• Black beans
  
• Cheese (Queso fresco)
• Bread (pan bolillo or pan francés), which can be eaten with black beans and/or cheese and cream inside
• Tortillas, can be eaten in the same way as bread, sometimes with salt added
• Fried plantains (similar to bananas), sometimes eaten with cream or black beans as a kind of dip

Beverages could be:

• Milk
• Juices, could be orange, apple or peach juices or more tropical fruits like guava or maracuyá
• Coffee, which is pretty popular considering it's a coffee-growing country, typically drunk black
• Hot chocolate, with or without milk, typically (personally preferably) the latter

Of course plenty of people eat the same breakfasts as in the United States because of the influence that it's had, it's not strange to see people eating pancakes, oatmeal or cereals, these are just the things that could be considered more traditional. This is also a pretty common breakfast for immigrant families like mine.

I don't eat breakfast.

Egg and Bacon!

cereal, toast, fruit, coffee, oats, sometimes pancakes.

mmmm...waffles....pancakes....eggs...yum

Cereal, toast, Full English probably in some cases

Bread/Noodle/Rice

Cereal, eggs + bacon/toast/fruit, pancakes, or waffles. Sometimes have pancakes and maple syrup (can you guess where I live?) for dinner cause why not.

Literally nothing lmao breakfast doesn't exist anymore in my place

in my country probably coffee, frickin' america and their caffine addicts.

my typical breakfast is either cereal, or if i'm feeling fancy, an entire pack of bacon and two packs of cheese grits, and i make sure the bacon is extra crispy and use it like a spoon.

sounds unhealthy, probably is unhealthy, i'm unhealthy, life is good.

donuts or smth oily and coated in fat, but in my strange asian household I'd say noodles lmao.

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