Sky Blue Humpback Whale mascot costume character dressed with a Playsuit and Berets from our Humpback Whale mascots. Let our mascots add a special touch of joy to your event. Our talented staff will work with you to create the perfect experience for your guests. Contact us today for more information and let us help you create a memorable event.. The Sky Blue Humpback Whale mascot costume character dressed with a Playsuit and Berets will be perfect for your Humpback Whale events. Many sizes available, premium quality, fully customisable with texts, logos, colors.