Jesse "Jess" Harnell is an American voice-actor, singer musician who portrayed Sewer Urchin and others on the animated television series The Tick.

Some of his most well-known roles include Wakko Warner on Animaniacs, Ironhide and Barricade in the Transformers franchise, Captain Hero in Drawn Together, and Nurse AJ in Up.


# Episode Role(s)
1 The Tick vs. The Idea Men Human Bullet
2 The Tick vs. Chairface Chippendale Sewer Urchin
3 The Tick vs. Dinosaur Neil Human Bullet
4 The Tick vs. Mr. Mental Sewer Urchin
5 The Tick vs. The Breadmaster Human Bullet
7 The Tick vs. The Tick Sewer Urchin, Mighty Agrippa
11 The Tick vs. The Mole Men Todd
12 The Tick vs. The Proto-Clown Sewer Urchin
13 The Tick vs. Arthur's Bank Account
14 The Little Wooden Boy and the Belly of Love
15 Alone Together Human Bullet
16 Armless but Not Harmless Sewer Urchin
17 Coach Fussell's Lament
18 Leonardo da Vinci and His Fightin' Genius Time Commandos!
19 Bloomsday Sewer Urchin, Human Bullet
20 Evil Sits Down for a Moment Sewer Urchin
21 Heroes
22 Ants in Pants!
23 The Tick Loves Santa!
24 Tick vs. The Big Nothing
25 Tick vs. Reno, Nevada
26 Grandpa Wore Tights
27 That Mustache Feeling
28 Tick vs. Dot & Neil's Wedding
29 Sidekicks Don't Kiss
30 Tick vs. Arthur Speak
32 Tick vs. Filth Sewer Urchin
33 Tick vs. Europe