Um Jammer Lammy character designer Rodney Greenblatt expressed disappointment in the US print marketing campaign for Um Jammer Lammy, which highlights the midriff of a live-action human Lammy and has copy text describing how players "might even score groupies out of this", particularly due to what he perceived as a double standard in how this commercial was allowed in the US, but the level in which Lammy goes to Hell had to be censored into an island for that same demographic. He would say and reiterate in an interview:


The game's co-creator Masaya Matsuura had a more muted response to the ad, calling it "a little too sexy".