Everyone else gets to be dalmatians, unless you can DIY some Horace and Jasper outfits. Mom makes an excellent Cruella, but you can always mix it up and have toddler costumes paired with your adult costumes, too! Scooby-Doo costumes are great for groups of four people, dr. strange costume whether you want to be all 4 of the human characters or have Scooby in your squad instead. Katee Sackhoff portrayed ace space pilot Starbuck/Kara Thrace on screen in a gender-swapped role from the original 1970s series.