It won’t carry the Nickelodeon brand name, and most of the details of the mostly mobile service will have to wait until the channel’s upfront presentation to advertisers in the Spring, Viacom CEO Philippe Dauman told analysts this morning. It will be “geared to young viewers, quite young viewers, and their parents will very much welcome the availability of this premium subscription service,” he says. He also hints that cable and satellite distributors won’t mind: Viacom is “working with our distributors very closely.”