A bell ringer is someone who rings a bell to signal the start of an event or to call people to attention. An AVON is a type of bell used in churches, and a Churchwarden is someone responsible for the maintenance of a church. A SEXTON is a person who looks after the interior of a church, while a CAMPANOLOGIST is someone who studies bells and their ringing. A PERCUSSIONIST is someone who plays percussion instruments, such as bells, and a Pealer is someone who rings a set of bells in a particular pattern. Finally, a Bicyclerider is someone who rides a bicycle with a bell attached to it.