Another foil of Hamlet is Horatio. Some similarities of Hamlet and Horatio are they are the same age and the same social class. Other similarities are that they are fellow students and basically best friends. Throughout the play there is no one closer to Hamlet than Horatio probably because they are such good friends. In the play Hamlet talks the most to Horatio which would be why he is considered one of Hamlet's foils. Some of the differences are that Horatio is sane and Hamlet is considered crazy. Basically, that is the only difference between the two. The importance of Horatio in the play is to be a best friend who Hamlet can come to and talk about what is going on in his life. Usually only best friends talk about those kind of things so it is very important that Horatio is in the play. This is why Horatio is considered to be a foil for