- Finally, they were rescued by a Titan janitor named Bob who had Einstein hair, silver eyes, and wicked broom skills.p. 158.6
- The Titan was ten feet tall, with wild silver Einstein hair, pure silver eyes, and muscular arms protruding from a ripped-up blue janitor's uniform.p. 112.3
There are no more uses of "Einstein" in The House of Hades.
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