These studies investigate a personality and behavior pattern called aberrant selfpromotion, conceptualized as a subclinical form ofpsychopathy. Aberrant self-promoters (ASPs) are theoretically defined as individuals characterized by a narcissistic personality configuration in combination with antisocial behavior. The first study verifies the existence of persons who manifest the A S P pattern. The second study validates the pattern, using as criteria the Revised Psychopathy Checklist (PCL-R) interview and record of antisocial behavior. In the first study a 179-item questionnaire, composed offive personality instruments, was administered to two separate samples of normal subjects (N=214 and 367). ASPs were targeted by three methoh: cluster analysis, item factor analysis, andperson factor analysis. In Sample 1 the three method demonstrated a convergence of 92 per cent in identifying the same individuals as ASPs; in Sample 2 the convergence rate was 94 per cent. In the second study 32 ASPs targeted in Study I were compared to 30 non-ASPS. The ASPs had significantly higher scores on the PCL-R and had committed significantly more antisocial acts than the non-ASPS. The general discussion focuses on the practical, theoretical, and measurement implications of considering aberrant self-promotion a distinct psychological motif.