Complex sentence: Dickens tried other names such as "Tiny Mick" after "Little Fred" but eventually decided upon "Tiny Tim." After dropping the name "Little Fred," Dickens instead named Scrooge's nephew "Fred".
Split into simpler sentences: Dickens tried other names such as "Tiny Mick" after "Little Fred" but eventually decided upon "Tiny Tim". Later, after dropping the name "Little Fred" Dickens instead named Scrooge's nephew "Fred".