Created by John Wagner and Carlos Ezquerra, the Weerd Brothers appear in the 2000ad story - Strontium Dog.
Hiss, Cuss and Silent Weerd. Brothers and ruthless Strontium Dogs, who have had various run-ins with Johnny Alpha and Wulf.
During the Gronk Affair (2000ad Prog 224-227), the Weerd Brothers try and lure Johnny and Wulf to their deaths. The plan fails and the Brothers crash land in the swamplands on the planet Blas. Johnny and Wulf finish them off once and for all in a final shoot-out.