Dean Canto's teammate during his second place finish at the Bathurst 1000 was David Reynolds. This information is supported by multiple sources, including Wikipedia's page on the 2012 Supercheap Auto Bathurst 1000, which states that "Jamie Whincup and Paul Dumbrell won the race, ahead of David Reynolds and Dean Canto in second place." Additionally, the Dean Canto Wikipedia page confirms that "His time there included a 2nd place at the Bathurst 1000 in 2012, and a win at the Gold Coast 600 in 2014, both alongside long time teammate, David Reynolds."