Welcome back to the chapter-by-chapter reading of Tolkien's The Hobbit. We have relied on the wizard's good sense to escape the trolls and now follow Gandalf to Rivendell and the Last Homely House.

However, Gandalf certainly isn't the only wizard in Tolkien's canon. In total, five Istari come to Middle-earth. Joining Gandalf are Saruman the White, Radagast the Brown, and two Blue Wizards.

If his magic powers, gray clothing, and affection for the Hobbit-like Harfoots weren't indicators enough, him directly quoting Ian McKellen's Gandalf in the finale — saying "if in doubt ...