Kimi-Matias Räikkönen, nicknamed "the Iceman", is a Finnish racing driver who competed in Formula One between 2001 and 2021 for Sauber, McLaren, Ferrari, Lotus, and Alfa Romeo. From Wikipedia
The four-time Indy 500 winner will drive the No. 91 car under Trackhouse’s Project 91 initiative, aiming to qualify for NASCAR’s most prestigious race.