1. Joey Gladstone has a teaching degree
2. Joey also has a pilot's license.
3. Danny Tanner's lifelong dream was to be an Olympic High Jumper
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Danny Tanner tells Stephanie in Gotta Dance that his life's ambition was to be an Olympic high jumper. While it's sad that he never achieved his dream, becoming a local celebrity via a morning talk show isn't that bad a fate.
4. Joey's was to be Fred Flintstone
5. Jesse Katsopolis' real name is Hermes
6. Rebecca Donaldson ("Aunt Becky") was almost named "Rebecca Plunk"
7. Pamela Tanner (Danny's wife, and mother of DJ, Stephanie, and Michelle) was killed by a drunk driver
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In Under the Influence we find out that a drunk driver caused the death Pamela Tanner.
8. Twins run in the Donaldson family, evidently
9. The Greek village Jesse's ancestors came from is a reference to his hairstyle
10. Jesse had more careers than any character on the show
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These careers included: Exterminator, Elvis Impersonator, Advertising Mogul, Freelance Musician, Assistant Kids show host (Mr. Egghead and Ranger Joe), Radio show DJ, Professional Musician/Pop Star, Club Owner.
11. Wake Up, San Francisco's main rival is Up and At 'Em, Oakland!
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In Five's a Crowd, Danny mentions that Up and At 'Em, Oakland! always beats Wake Up, San Francisco! in the local awards show each year.
12. Walt Whitman made Jesse drop out of high school
13. Michelle was the only Tanner child who wasn't Yankee Doodle in "America the Beautiful"
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Instead, the role went to Derek S. Boyd. On an interesting note, in that same episode, Stephanie remarks that when Yankee Doodle sticks the feather in his hat and calls it "Macaroni," that the "it" refers to the feather, not the hat. The hat, according to Stephanie, is called "Bob."

