angry
The character was never given a last name
"Watch hey Arnold" is not a question therefore cannot be answered at this time.
Nadine Lowenthal (voiced by Lauren Robinson) .
Gerald is Arnold's best friend who loves ping-pong.
In 2006 in an online chat with Hey Arnold! fans, Bartlett revealed that Arnold's grandpa used his last name throughout the series, almost confirming that Arnold's last name is "Shortman".
angry
It isn't revealed.
Abner
I'm not so sure. But I guess many tweens have watched it.
Hey Arnold! was created by Craig Bartlett .
There are 5 seasons of Hey Arnold.
wild thonberris,catdog,hey arnold,
The character was never given a last name
"Watch hey Arnold" is not a question therefore cannot be answered at this time.
SpongeBob Hey Arnold! The Wild Thornberry's Rugrats Invader Zim :D
Nadine Lowenthal (voiced by Lauren Robinson) .