User blog comment:Romerox/How many years will be calculated for each of the characters/@comment-3035387-20101219175938/@comment-3251190-20101226014023

@Wikia contributor      Carl can't be over 18. In "Does This Duckbill Make me Look Fat?" he was trying to find a girlfriend, and he was considering Candace. Candace is 15, so an 18 year old crushing on a 15 year old is weird, so he's 15, he's doing the interning stuff at a very young age.