But Im The Bad Guy -

Eilish utilizes her signature whisper-vocal style , alternating between menacing, monotoned delivery and playful, sarcastic ad-libs (most notably the whispered "duh" ).

Eilish has stated the song pokes fun at people's online personas and those who constantly broadcast how "tough" they are, including herself. Critical Verdict Billie Eilish's “bad guy” Song Review - MusiCommentator But Im The Bad Guy

Produced by Eilish's brother, Finneas, the song features a sparse, "claustrophobic" production built around a driving, groovy bassline and a frenetic 135 BPM heartbeat kick drum. Eilish utilizes her signature whisper-vocal style