Mack Nathan was a neighbor and friend of Barry Allen.

Mack and his ten-year old son Troy befriended Barry when he moved into the Utopia Towers apartment complex during the period following his wife Iris's apparent death.


  • Although this character was originally introduced during DC's Earth-One era of publication, their existence following the events of the 1985–86 limited series Crisis on Infinite Earths remains intact. However, some elements of the character's Pre-Crisis history may have been altered or removed for Post-Crisis New Earth continuity, and should be considered apocryphal.


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