his prime. Casting directors cast Troye Sivan as the young James Howlett in X-Men Origins: Wolverine (2009) after seeing him sing at the Channel Seven Perth Telethon, and he was accepted after sending in an audition tape. Kodi Smit-McPhee was originally cast in the role, when filming was originally beginning in December 2007, but he opted out to film The Road. McPhee later played Nightcrawler in X-Men: Apocalypse and Dark Phoenix. Characterization Personality Relying on his senses and his instincts to get him around, Logan's personality comes in ranking as an ISTP according to the Myers–Briggs Type Indicator. His personage has been reviewed as a 'loner', often taking leave from the X-Men to deal with personal issues or problems. He is often irreverent and rebellious towards authority figures, although he is a reliable ally and capable leader, and has occasionally displayed a wry, sarcastic sense of humor. The character in the film had few lines, but much emotion to convey in them thus, Jackman watched Clint Eastwood in the Dirty Harry movies and Mel Gibson in Mad Max 2 as inspirations. Appearance After the casting announcement, the choice of Jackman sparked criticism at first since he was considered "too tall and too handsome" to play the "short and somewhat feral Canadian". Jackman, at stands 30 cm taller than Wolverine, who is said in the original comic book to be . Hence, the filmmakers were frequently forced to shoot Jackman at unusual angles or only from the waist up to make him appear shorter than he actually is, and his co-stars wore platform soles. Jackman was also required to add a great deal of muscle for the role, and in preparing for the films, he underwent a strict diet and exercise regime. The scenes in the franchise in which Logan appears shirtless, in particular X-Men Origins: Wolverine (2009), have been widely noted by Jackman as the primary reason the character was established as a sex symbol. For the film, Jackman underwent a high-intensity weight training regimen to improve his physique for the role. He altered the program to shock his body into change and also performed cardiovascular workouts. Jackman noted that no digital touches were applied to his physique in a shot of him rising naked from the tank within which Logan has his bones infused with adamantium. Speaking on why the classic comic book costume of Wolverine has never been