"Joe Kennedy for President 2020" t-shirts have already started appearing for sale online.

The Massachusetts congressman is considered a rising star among the Democratic Party, and there has been a call for him to run for president in the 2020 election.

Read More: White House bid for Joe Kennedy after he is chosen to respond to Trump’s State of the Union?

The 37-year-old delivered the Democratic response to President Trump’s State of the Union on January 30.

"Joe Kennedy for President 2020" t-shirt. Credit: Redbubble

"Joe Kennedy for President 2020" t-shirt. Credit: Redbubble

Joe Kennedy III is the grandson of US Senator Robert F. Kennedy, the great-nephew of US President John F. Kennedy and the great-nephew of former US Senator Ted Kennedy.

Read More: Why Congressman Joe Kennedy should run for president in 2020

Although Kennedy has dismissed the idea of a 2020 run, apparel with the “Joe Kennedy for President 2020” slogan has already popped up for sale all over the internet. Redbubble, Zazzle and eBay are all selling t-shirts and hoodies featuring the slogan with various designs.