"do you think"
Do some research. It's insane that you didn't consider Gundam, for example.
1. Pokemon
2. Anpanman
3. Gundam
4. Dragon Ball
5. Fist of the North Star
6. One Piece
7. Yu-Gi-Oh!
If you count Hello Kitty, then that'd be #2, but it's really a merchandising character first and even most Japanese people probably don't know it for its anime series.
Anime has become a massive industry not only in Japan but worldwide. Some of the most popular anime franchises have brought in a ton of cash.
www.cbr.com
^This is probably still reliable for a more comprehensive list (the top 8 at least match up with the top 8 that we gleaned from the top 25 franchises in general above).
1. Pokemon
2. Hello Kitty
3. Anpanman
4. Gundam
5. Dragon Ball
6. Fist of the North Star
7. One Piece
8. Yu-Gi-Oh!
9. Evangelion
10. KochiKame
11. Sailor Moon
12. Naruto
13. JoJo
14. Demon Slayer
15. PreCure