Social media users sent in their birthday wishes, but some were of the opinion that Carter is more than 21.
Legit.ng captured some of the messages, see them below:
bestever:
"21 years of being a water bender It's not easy Katara would be proud of you Happy birthday ."
khings1:
"Comot for front of that car abi you wan wash the car."
ossai_victor:
"How many times u don celebrate birthday this year abeg. You dey 21 years since 2015? Nawa o."
jediwilli96:
"Now I see, no wonder u dey rock everything with pant upandan. Happy 21st birthday kid bro. No shades."
ballboy:
"Carter wait make I tell you.. Firstly u no be 21 bro."
tobilorbahog:
"Happy birthday bruh. Have a spitful day."
