Bizarre means "very strange or unusual", but the scenario you described happens often. An assumed name or alias is a part-time name used for a specific purpose

Bizarre means "very strange or unusual", but the scenario you described happens often. An assumed name or alias is a part-time name used for a specific purpose; the definition does not extend to a new name used as an individual's full-time name. > As Pontius Pilate was heard to remark, "What is Truth?" And as we know, Jesus replied: "Check the dictionary."