Their main goal was to entertain the listener and themselves; most of the lyrics concerned topics such as alcohol, sex, women, the status quo, etc.
Four classmates from Sofia's Mathematics High School--Nikola Kavaldjiev, Miroslav Tellalov, Nikolay Savov, and Petar Todorov--formed in 1988 a punk band which played only their own songs in Bulgarian and named it by combining the words "Hippo" and "Crocodile.
In their fourth album Nadurveni vuglishta (Horny Charcoal), released in 1998, the band showed obvious growth in terms of music and production and experimented with other styles, mostly ska.
The ministry later dropped its plans but the dispute fuelled the album sales and Hipodil suddenly found themselves among the best-selling and most radio played acts in Bulgaria.
The new album, called Hora ot naroda (People of the Folk), appeared on the Bulgarian music market in the year 2000.
Vitkov appears as a lead singer in only two of the songs - "Partizani" ("Partisans") and "Drugo nyama" ("There's Nothing Else"), and as a backing vocal in "Choveche" ("Dude").
Hipodil will never be remembered for a musical and/or lyrical and/or production brilliance and yet the band constitutes integral part of the post-Communist era popular culture in Bulgaria.
Both critics and fans agree that the band's songs and behaviour truly reflect the changes in Bulgarian society in the 1990s and present them in way that young people of all classes and background easily understand.
[citation needed] In 2006, Hipodil played at the "Koncert na godinata" at the Zimen dvorec in Sofia alongside Review and Upsurt.