It's always Odin, because Odin also "died" on a tree, so they see a direct parallel.
Brosatru are often fond of Thor too.
One way to spot them is to ask what they think about Loki.
Loki is a trickster deity, but the Brosatru see him as a thoroughly evil, Satanic figure who is the enemy of the gods.
Queer Asatru? We love and adore Loki because of his relationship to gender. This is the god who turned into a mare and gave birth to a horse...
But yes. They want Christianity except without a brown guy at the center of it. As somebody who doesn't want Christianity I find that...