I Knew It!: Show of hands everyone who foresaw Atticus' old archdruid still being alive.
Given how the world is escalating into apeshit very quickly, from the description of "white-bearded old man, white eyebrows, rough-hewn winter clothes, and pissed off", this troper thought the Morrigan had trapped the Judeo-Christian God of the old Testament for use as a BFG. Then they brought out bacon, and this troper was VERY wrong, and realized all the clues were there for who it really was.
Word of God: According to Hearne, Thor is meant to be a Jerk with a Heart of Gold. He's a champion of the people who only occasionally dabbles in assholery. We just never see it since his dickishness is the main focus, and it's not a situation where it's possible to show it off.