For other characters with the name Isaac, see Isaac (disambiguation)

Isaac Hammerstein is the step-father of Lazlow, and the owner of Isaac Hammerstein and Daughters Funeral Services. Lazlow shows much dislike for his step-father, although he often pretends he doesn't, only because Isaac Hammerstein and Daughters Funeral Services sponsor Lazlow's new show Integrity 2.0. Isaac is mentioned throughout his radio broadcast. Also throughout the broadcast Lazlow will quietly slip in a few insults at his step-father before finally ranting about how much he hates him, complaining to his mother that she shouldn't have left his dad for Isaac just because he drank a little.

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