Clone trooper film series and in the "Star Wars" expanded universe media, a number of specialized trooper units are seen, including elite special forces units such as the 'Advanced Reconnaissance Commandos' (ARC troopers), and Null ARCs, who usually work alone. All clone commandos and ARCs were trained by Mandalorian mercenaries; the elite Clone Troopers are known as Shadow Troopers. The style and color of a clone troopers armor often varies depending on their rank, specialization, unit, or environment, for example, the clone troopers on Kashyyyk wear camouflage green scout-style armour whereas the 501st legion wears standard white armor with blue accents. Another
Star Wars: The Clone Wars (film) of fun." Carrie Rickey, of "The Philadelphia Inquirer", said, "The best that can be said about the movie is that it's harmless and mostly charmless. "The Clone Wars" is to "Star Wars" what karaoke is to pop music." The main criticism toward the film was the animation. Many criticized it as cheap, wooden, non-engaging, and out-of-date; some reviewers drew negative comparisons to 1960s marionette-based shows "Thunderbirds" and "Fireball XL5", although George Lucas previously said the animation style was a deliberate homage to such shows. Tom Long of "The Detroit News" said the animation "is downright weak compared to what's generally