Ross Bagdasarian Sr. created Alvin and the Chipmunks, introducing the characters Alvin, Simon, and Theodore, initially as a novelty record band.
Ross Bagdasarian Sr. released the hit single "The Chipmunk Song (Christmas Don't Be Late)", which became a Christmas classic and won three Grammy Awards.
The first Alvin and the Chipmunks animated TV series premiered on Saturday mornings, bringing the characters to a wider audience.
20th Century Fox released "Alvin and the Chipmunks: The Squeakquel", the second live-action/CGI film in the franchise.
The live-action/CGI film "Alvin and the Chipmunks" was released, revitalizing the franchise for a new generation.
The third live-action/CGI film "Alvin and the Chipmunks: Chipwrecked" was released.
A new CGI animated television series, rebooting the franchise for contemporary audiences, premiered.
David Seville creates the Chipmunks as a musical group with Alvin, Simon, and Theodore.
The Chipmunks release their first hit single 'The Chipmunk Song (Christmas Don't Be Late)' which gains major popularity.
Alvin, Simon, and Theodore officially form as a group under David Seville's management.
The Chipmunks get their first animated television series airing to a wide audience.
David Seville legally adopts Alvin, Simon, and Theodore to take care of them permanently.
The Chipmunks star in their first live-action/CGI feature film, gaining new popularity.
Alvin, Simon, and Theodore decide to form a new band during their teenage years, aiming for a fresh music style.
The Chipettes, female counterparts to the Chipmunks, are introduced and begin performing alongside them.
Alvin and the Chipmunks save a local music festival by performing and rallying the crowd.
