At 47 years old, Cress Williams (Jefferson Pierce / Black Lightning) is the second oldest actor to make his debut appearance as a superhero in a live-action production. The oldest is Ron Perlman, who was 54 when he played the title character in Hellboy (2004).
Tobias Whale is a reference to Moby Dick. Tobias Whale is an albino African American i.e. White Whale. He's an antagonist who is the bane of the main character's existence, what drives Jefferson Pierce/Black Lightning's character to the brink of madness, always slipping out of the grip of the protagonist.