Artemis is a child prodigy and is known to have the highest tested IQ in Europe. He is described as "a plotter……a schemer" with "the ability to visualize a hypothetical situation and calculate the likely outcomes". His professors at Saint Bartleby's School for Young Gentlemen acknowledge that his intellect is beyond what they may offer in the fields of literature, history, science, and mathematics. The English teacher has given him a library pass during his class and the History teacher let him try to build a time machine during her class. She thinks that he can do it. He has published articles in psychology journals and delivered a lecture on Balkan politics, and has made several patents. Additionally, Artemis shows talent in music when he is able to compose an ending and add extra notes to many famous pieces of music by composers such as Bach and Beethoven. He speaks fluent Gnommish, some Spanish, and speaks Russian with an impeccable accent. He also speaks French, and is able to read lips. He is skilled in detecting and creating forgeries.