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