20 Questions #5
 

1. Is the character male? Yes
2. Does he appear in more than one episode? Yes
3. Is this a special guest star? No
4. Is he a main character? No
5. Did he first appear in Season One? No

1. Is the character male? Yes
2. Does he appear in more than one episode? Yes
3. Is this a special guest star? No
4. Is he a main character? No
5. Did he first appear in Season One? No
6. Is he a relative of a main character? No

1. Is the character male? Yes
2. Does he appear in more than one episode? Yes
3. Is this a special guest star? No
4. Is he a main character? No
5. Did he first appear in Season One? No
6. Is he a relative of a main character? No
7. Does he work at the university? No

1. Is the character male? Yes
2. Does he appear in more than one episode? Yes
3. Is this a special guest star? No
4. Is he a main character? No
5. Did he first appear in Season One? No
6. Is he a relative of a main character? No
7. Does he work at the university? No
8. Is he usually seen at the Comic Book Store? Yes

1. Is the character male? Yes
2. Does he appear in more than one episode? Yes
3. Is this a special guest star? No
4. Is he a main character? No
5. Did he first appear in Season One? No
6. Is he a relative of a main character? No
7. Does he work at the university? No
8. Is he usually seen at the Comic Book Store? Yes
9. Has he ever had a line? Yes

1. Is the character male? Yes
2. Does he appear in more than one episode? Yes
3. Is this a special guest star? No
4. Is he a main character? No
5. Did he first appear in Season One? No
6. Is he a relative of a main character? No
7. Does he work at the university? No
8. Is he usually seen at the Comic Book Store? Yes
9. Has he ever had a line? Yes
10. Is it Captain Sweatpants? No

11. Is it Stuart?
(I thought he was in S1, but I think I've got that wrong...)

1. Is the character male? Yes
2. Does he appear in more than one episode? Yes
3. Is this a special guest star? No
4. Is he a main character? No
5. Did he first appear in Season One? No
6. Is he a relative of a main character? No
7. Does he work at the university? No
8. Is he usually seen at the Comic Book Store? Yes
9. Has he ever had a line? Yes
10. Is it Captain Sweatpants? No
11. Is it Stuart? No :D

12. Is it Lonely Larry?
(Has he ever spoken?)

1. Is the character male? Yes
2. Does he appear in more than one episode? Yes
3. Is this a special guest star? No
4. Is he a main character? No
5. Did he first appear in Season One? No
6. Is he a relative of a main character? No, probably not
7. Does he work at the university? No
8. Is he usually seen at the Comic Book Store? Yes
9. Has he ever had a line? Yes
10. Is it Captain Sweatpants? No
11. Is it Stuart? No :D
12. Is it Lonely Larry? No

coming back to Nr. 6 - I don't know excatly if he is a family member or not ;)