From the makers of hit iPhone applications AgingBooth and FatBooth comes CamHelium.

The application records videos with an helium sound effect. "Just tap the red button to start/stop recording and it's done... your 'heliumized' video is instantly ready!" runs the iTunes blurb.

"Use CamHelium to film any moment you want to make hilarious. Record video messages, film your buddies, your children, your family, your colleagues or even your boss… firing you :-p  Then, share the videos directly via email, Facebook, YouTube or MMS."

Available from the Apple iTunes App Store, CamHelium costs 59p and requires the iOS 4.0 Software Update or later, iPhone 3GS, iPhone 4 or iPod touch - 4 generation.

AgingBooth and FatBooth have both international hits - receiving the distinction of being #1 Top Paid Apps in more than 25 countries.

CamHelium iPhone app