They would be great but remember this is a French game so it would probably only be in France
Though I really really hate hate HATE this idea, if you guys are going to make a new ad, here's one thing that will give you lots of fame.... Or infamy. Make it really strange, unique, or funny that it goes viral that everyone in the Internet talks about it.
Remember how Op- Op- Op- GODDANG I REFUSE TO MENTION THAT STUPID VID!
....Uhm, remember how "that video" went DISGUSTINGLY and unbelievably popular?
Yeah, you can make a tv ad featuring a dancing Kolos who ends the ad with a catchy tagline, for example.