 He is a die-hard fan of Sonia's and is targeted by Cancer after failing to get into one of her concerts without a ticket where Cancer was trying to target the security guard.Unlike other EM Wave Humans, Cancer Bubble retained Claud's voice and personality, and the transformation is rarely complete (thus, Cancer Bubble is often still wearing Claud's clothes or hat).Kidd Gruff, known as in the original Japanese version, is a young boy from a small town in the Loch Mess area.