There are at least three bands named Scowl:

1) Santa Cruz Hardcore

Vocals - Kat
Guitar - Malachi
Drums - Cole
Bass - SCHC

https://scowl831.bandcamp.com/

2) Speed Ritual Records Grind/Deathgrind entity
https://speedritualrecords.bandcamp.com/album/scowl-impetus-ex-caenum

3) A Brooklyn based grindcore band started in 2011.
Current Line-Up:
Dickler Dialogue - Vocals/Noise
Joey Ramone Legs - Guitar
Dunphy - Bass
Frank "Unholy" Haung - Drums
http://scowl.bandcamp.com/
https://www.facebook.com/scowlgrind
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