Whippersnapper is the name of at least two bands:
These are photos from concerts where Whippersnapper played, so they may be of other bands that played the concert as well.
Rock The Equinox 2020 Aug 14 - 15, 2020 Stigler, OK Uploaded by Kain Omen
My Captain / Off By One / Whippersnapper / Rufio Aug 31, 2002 Jacksonville, Florida, United States Uploaded by 90s Jax Milk Bar & More
Mest / Inspector 12 / Whippersnapper Mar 27, 2002 San Diego, California, United States Uploaded by Jen Micha