For Devo's 40th anniversary album, Vice published a great article about them being the most misunderstood band of all time. Calling Devo a one-hit-wonder is a sign of ignorance shared with the majority of society. I probably would have thought the same before reading that article
Both chart-wise and enjoyment-wise Devo has more than one hit. Sure, Whip It is a much much bigger hit than anything else they ever did, but still they have other songs that charted, and they've got a ton of bangers
Check out the album Are We Not Men, it's killer from start to finish
Interesting fact: Gerald Casale went to Kent State in 1970. Devo's "Devolution" philosophy was directly inspired by the Kent State shootings - opting for subversion instead of open protest.