What about a first name that starts with R & a middle with X? [name_m]Roland[/name_m] [name_m]Xavier[/name_m] = R X = [name_u]Rex[/name_u]
Or if you want to get more deliberate, a name that starts with Re and a middle that starts with X, like [name_m]Reginald[/name_m] [name_m]Xavier[/name_m] = [name_u]Rex[/name_u].