Arthur Wynn, the man who invented crossword puzzles, originally called them "wordcross" puzzles but a printing error accidently transposed the words and created "crossword". Since "crossword" appeared as the title of the puzzle on it's first day in the newspaper, that's the name that stuck.
A man named Adi Dassler took his first name and combined it with the first three letters of his last name to create the moniker for his brand of shoes: Adidas.
Rolls-Royce automobiles were named after two British engineers - Charles Rolls and Henry Royce.
~Strange & Fascinating Facts about Famous Brands