The authors of the Flash comics have changed throughout its history. Josh Williamson is one of the recent writers who has made significant contributions. But there have been many before him shaping the adventures of the Flash.
It's a bit complicated. Different versions and storylines might give the title of the fastest Flash to different characters. But in many cases, Wally West has shown incredible speed capabilities as well.
Black Flash is a supernatural entity in the DC Comics universe associated with death and speedsters.
Savitar is a powerful speedster villain in the Flash comics. He's known for his obsession with speed and his determination to defeat the Flash.
Zoom is a supervillain in the Flash comics. He's known for his speed and his adversarial relationship with the Flash.
Savitar is a powerful speedster villain in the Flash comics. He's obsessed with speed and poses a major threat to the Flash.
As of now, the current Flash is usually considered to be Barry Allen. But the DC Comics universe is complex, and there could be alternate versions or storylines that feature other characters as the Flash temporarily.
I have no idea. Maybe it's a mystery yet to be revealed in the comics.
In the comics, Flash is typically considered faster. His speed powers are often depicted as being on a much higher scale than Sonic's.
Jack Kirby is one of the key creators of the Eternals comics.
The Injustice comics were written by Tom Taylor.