Raposa are, well, not-exactly-human-but-similar-to-human creatures that slightly resemble cats. The word 'Raposa' is Portugese for fox, so they resemble foxes NOT cats. Each Raposa (or Rapo) has a specific talent. Some don't. Most are ambitious to prove their dreams to be true. They are friends of Mike and Heather.
There are a few oddballs. Count Choco is a wannabe vampire. Wilfre is overrun with a different kind of Shadow, and created Shadowbat's ALT form. Crazy Barks is completely insane. Unagi is an agent hired to protect the mayor. Jowee has ADHD, and always disregards warnings to help other people by putting himself at risk. The Hero is their savior.