Skullcandy, Inc., a company that makes clothing, accessories, and jewelry, and specializes in headphones, has filed a lawsuit in Federal Court against Skelanimals, LLC for trademark infringement. Both companies use a black and white skull in their branding. Skelanimals is a line of products based on “adorable little animals who have met an untimely end, mostly due to their own reckless and ill-advised behavior,” according to the company’s website. Their marks appear on clothing, plush toys, backpacks, and alarm clocks, along with other products. Skullcandy has used its trademark since 2003, while Skelanimals has been around since 2008. What were…