Celebrity Parents Will Ferrell Welcomes Third Son Wife Viveca Paulin delivered baby Axel Saturday morning in Los Angeles By Sarah Michaud Sarah Michaud Sarah Michaud is the senior news editor of PEOPLE's music vertical. She has been working at PEOPLE for 15 years. People Editorial Guidelines Published on January 27, 2010 12:00PM EST Photo: Kevin Winter/Getty Exit Conan, enter Axel! Hours after performing ‘Free Bird’ on the final Tonight Show with Conan O’Brien, comedian Will Ferrell and wife Viveca Paulin welcomed their third son. Axel Ferrell arrived Saturday morning, Jan. 23, in Los Angeles, his rep confirms to PEOPLE exclusively, adding, “All the Ferrells are well.” Baby boy joins older brothers Magnus, 5 ½, and Mattias, 3. Ferrell and Paulin, 40 – who met in an acting class 15 years ago and wed in 2000 – announced the pregnancy in September. Ferrell, 42, will next appear in The Other Guys, set to be released in August.• Reporting by OLIVER JONES