Icelandic shepherd and mountaineer hired by the group. He constructs a raft to navigate the vast underground ocean, enabling their exploration of the subterranean world. Years later, he becomes a successful shepherd.
Olsen becomes a vital ally to Hans during the underground escape.
Olsen assists the same expedition that includes Hans and helps the group escape the flooded grotto.
They cooperate as members of the expedition team.
Axel and Hans travel together with the Professor during the underground expedition, including the crossing of the subterranean ocean.
The Professor's expedition employs Hans as its local mountaineer.
After arriving in Iceland, the group hires Hans, a shepherd and mountaineer, to accompany them underground.
Explore the full interactive character relationship map of Journey to the Centre of the Earth