Daniel Hardcastle, better known as NerdCubed (Nerd³) is a YouTube comedian and a close friend to Emma Blackery. He has appeared on her channel multiple times since 2013, including their own series in 2017, The Year of Demma.
Being a very private person, not much is known about Dan's life. He has been married to Rebecca Maughan since 2017 and owns two dogs, Matilda and Regan.
Dan started his channel doing Minecraft lets plays before branching out to other games and types of content. He currently has three different youtube channels.