Grendel

Brian Lucas is a transformed A Class Darwin-Type (he "adapts" to his environment and opposition). Grendel lost his family when the Ascendant exposed psychotropic gas which triggered hallucinations, rampages, and several psychotic breaks and breakthroughs, and was permanently transformed into a grey and monstrous humanoid form which is the baseline for all his changes.

He is potentially stronger than the strongest Ajax-Type. Grendel joined the Young Sentinels, and has also sworn himself to Ozma's service (he is currently the Royal Army of Oz) in return for her promise to help him gain justice for his murdered family.