Fly on Mike Pence's head steals the buzz from vice presidential debate, and Biden can't complain

Joe Biden's campaign is now using the viral moment to raise money.

Vice President Joe Biden couldn't be a fly on the wall during Wednesday's vice presidential debate, but he was able to use the insect that perched itself on his successor's head to help his campaign.

Biden's campaign spared no time to poke fun at Pence. The former vice president's Twitter account posted a picture of a smirking Biden holding a fly swatter, next to a link to his fundraising page.

"Pitch in $5 to help this campaign fly," the tweet read.

Biden later tweeted a link to the url which redirected users to the website,, which provides information on voter registration, polling sites and local election offices.

The campaign took it one step further by offering a $10 "Truth over Flies Fly Swatter," on its campaign website. The site warned that the item ships within 14 days.

Here's a state-by-state guide to voting in the age of COVID-19.

ABC News' Beatrice Peterson and John Verhovek contributed to this report.