What If Fictional Characters Have Their Birthyears and Ages

 is Princess Dynasti's theory.

It shows what happens if the fictional characters have their birthyears and ages.

List of Them

 * 1) In Bob's Burgers, Tina is born in 1998 and is now 18-19, Gene is born in 2000 and is now 16-17, and Louise is born in 2002 and is now 14-15.
 * 2) In The Loud House, Lori is born in 1999, Leni is born in 2000, Luna is born in 2001, Luan is born in 2002, Lynn is born in 2003, Lincoln is born in 2005, Lucy is born in 2008, Lola and Lana are born in 2010, Lisa is born in 2012, and Lily is born in 2015.
 * 3) In Teen Titans and Teen Titans Go!, Cyborg is 18-19, Robin, Starfire, and Raven are 16-17, and Beast Boy is 15. It is revealed that they can drive a T-Car as teenagers.
 * 4) In Star vs. The Forces of Evil, Star Butterfly is born in 2001. She is now 14 but will be turning 15 in the spring.
 * 5) In The Brady Kids, Greg is 18, Marcia is 16, Peter is 15, Jan is 14, Bobby is 12, and Cindy is 11.
 * 6) In We Bare Bears, Chloe is born in 2004 and is 11-12 years old.
 * 7) In Detention, all of the students are all 12-13.
 * 8) In The Weekenders, Tino, Carter, Lor, and Tish are 12-14.
 * 9) In Total Drama, Chris McLean was born in 1978 and was 30 years old in "Pahkitew Island". Given that the 22 contestants that debuted in "Total Drama Island" are 16 years old at minimum, they were born around 1987-88. Alejandro and Sierra, who debut in TDWT, would be born around 1989-90. The "Revenge" contestants were born around 1990-91. In "Pahkitew", the newcomers were born around 1992-93. Assuming "The Ridonculous Race" took place in 2009-10 (shortly after "Pahkitew Island"), Don was born in the 1960s. Today, he would be around 49-58 years old. In "DramaRama", which is set in an alternate universe, all of the kids are born in 2005 and they're currently 4 years old.
 * 10) In Harvey Street Kids, Lotta is 12, Audrey is 10, and Dot is 9.
 * 11) In Clarence, Clarence and Jeff are both born in 2004 and Sumo is born in 2005.
 * 12) In Craig of the Creek, Craig is born in 2004, Kelsey is born in 2005, and J.P. is born in 2003.
 * 13) In the Goof Troop Universe, Max is born in 1981, so he is 5 Years old in A Very Goofy Christmas, 11½-12 in Goof Troop, 14 in A Goofy Movie, 18-19 in An Extremely Goofy Movie and 23 in Christmas Maximus (although it takes place in an Alternate Universe due to Timeline Problems).
 * 14) In the Phineas and Ferb/Milo Murphy's Law Universe, W.I.P.
 * 15) In Mighty Magiswords, Prohyas is born in 1995 and is 21-22 years old, and Vambre is born in 1996 and is 20-21 years old.
 * 16) In Looped, Luc and Theo are both born in 2003.
 * 17) In What About Mimi?, Mimi is born in 1990 and Brad is born 1992.
 * 18) In Whatever Happened to... Robot Jones?, Cubey, Socks, Mitch and Shannon were both born in 1991.