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Peer has wavy hair and the thin outline of a mustache. During missions, he wears the standard Scout Regiment uniform.
He is shown arguing with Dieter and Jurgen over the recovery of their friend Ivan's body. He then scolds Dieter for insulting Erwin and Levi when Dieter says they do not have any human feelings at all.
Peer is next seen on the back of the wagon carrying the soldiers' corpses, among them Levi's squad. He spots the two Titans pursuing the wagon, cursing and firing a smoke round to signal the Titans detected. Under Levi's instruction, the corpses are dumped to reduce the weight of the wagon and subdue the approaching Titans.