There are multiple bands with this name:
1. a straight edge hardcore band from Seattle, Washington
2. a German metal band
3. a Russian alternative metal band 1. Undertow was a straight edge hardcore band from Seattle, Washington active during the early-mid 1990s. They were one of the first bands to combine elements of heavy metal with hardcore in order to create a unique heavy hardcore sound. They released material on Indecision Records, Bloodlink Records, Excursion Records, and Overkill Records.

Read more about Undertow on Last.fm.