The Goggles Do Nothing
His power, being able to understand and translate languages, is far from being flashy, but good writers were able to get a lot of interesting mileage out of it. I haven't read anything of the stuff after his resurrection, but apparently, he's a superb fighter now? Sigh.
Legitimately, you have to understand that comics are a visual, action-based medium, and no "intellectual" powers are ever going to avoid drifting into something that would be more appropriate for multiple fight scenes. I mean, what would you expect? It's not like the X-Men writers could instantly produce a memorable, evergreen character out of, like, a dude that just sits in a wheelchair and thinks all the time.