The School of Honk leads a Halloween costume parade on Somerville Ave. from Warren Ave. to School St. — Photos by Anastasia Petridis

A community member celebrates after successfully throwing a fabric bean bag into a cornhole board, with equipment on Somerville Ave. from Knucklebones events and rentals.

Pupusas are cooked fresh and ready to be sold to customers at the Dos Manos Kitchen street vendor tent.

Children and parents gather on Somerville Ave. and Bow St. to play with various toys and objects provided by Event Them.

Good News Gus the puppet, puppeteered by Harry LaCoste, greets and jokes with children and parents as they visit his cart on Somerville Ave.

Two young children count their money in order to purchase pupusas at the Dos Manos Kitchen street vendor tent.

A comedic performer fakes falling off of his unicycle while juggling three bowling pins during the Halloween costume parade on Somerville Ave. from Warren Ave. to School St.

A family wearing pink and green dragon onesies marches along in the Halloween parade, dancing and swaying in step with the music played by the School of Honk.

School of Honk marchers play the French horn and trombone as they march in step behind the rest of the band in the Halloween parade, followed by festive paraders in their costumes.

Caroline DeBrota (right) and Shawyoun Shaidani (left), dressed in handmade couples’ costumes of Fish and Chips, dance and wave along the Halloween parade to spectators on Somerville Ave.

A unicycle rider attempts to play cornhole on Somerville Ave. while riding his tall unicycle in the Halloween parade, striking the hole and nearly getting the bean bag inside, leading him and spectators to cheer.

Children and parents carve pumpkins at a table on Somerville Ave. provided by Somerville Recreation as the Halloween parade passed by behind them.

A young boy dressed as a firefighter sits and poses in the driver’s seat of a Somerville Fire Department truck parked on Bow St. as his mother takes photos and the firefighters wait to help him get in and out of the truck.

A sign depicting the SomerStreet Monster Mash event stands on Somerville Ave. while children and adults play behind it.

Performer Cate the Great engages a large crowd on Somerville Ave. while doing stand-up comedy and preparing to juggle five balls while balancing on one arm on pegs elevated on a platform.