Timo Johannes Koivusalo (born 31 October 1963) is a Finnish actor, director, writer, composer and musician.

[1] Koivusalo was born in Pori, and trained as a chef and a mental nurse, before getting a breakthrough into the entertainment industry with his character Pekko Aikamiespoika, developed while he was working as a stand-up comedian.

Five Pekko movies were made in total, with Koivusalo producing, directing and writing the script as well as playing the lead role.

Kalteva torni is about a benevolent man who does not know he has multiple personalities, whose greatest fear is that he will not be able to see the Leaning Tower of Pisa before it falls.

The show originated from Elämäntoveri, a comedy routine that Hallikainen and Koivusalo used to perform on ships travelling between Finland and Sweden.