Check out their other hit "Fancy Pants". It might help you re-evaluate your opinion of them. Don't be so quick to dismiss their entire career on the evidence of just one song.
A few of the obituaries mention that he was in the band Kenny and had a hit with The Bump. I'm sure this is misinformation that keeps getting regurgitated. Although not claiming to be an authority on Kenny, if such a thing exists, I'm pretty certain he was never in the band Kenny so I'm not sure...