From 1991-2004, Rugrats and Hey Arnold ruled Nickelodeon, and We. Were. Obsessed.

It's been 10 years since these awesome characters went off the air and thankfully, artist Celeste Pille is helping us catch up with the casts!

Celeste's Tumblr, Celeste Doodles, features ah-mazing illustrations of the two casts — everyone from Helga and Stoop Kid to Phil and Lil! — as 20-somethings with descriptions of what she imagines each character has been up to since their childhoods.

Click through the gallery above to see the incredible pics!