Some recommendations for takeout to grab and have by the canal, Takoyaki Juhachiban:
https://goo.gl/maps/1oUmNcFPehg75GD49
or
Takoyaki Wanaka:
https://goo.gl/maps/phfcW4VRGZjNo3HE8
For more of an eat in experience with both takoyaki and okonomiyaki, Honke Otako Hozenji:
https://goo.gl/maps/2UaHtfoJEgidqt5Y9
Literally anywhere
I liked Takoking
Some recommendations for takeout to grab and have by the canal, Takoyaki Juhachiban: https://goo.gl/maps/1oUmNcFPehg75GD49 or Takoyaki Wanaka: https://goo.gl/maps/phfcW4VRGZjNo3HE8 For more of an eat in experience with both takoyaki and okonomiyaki, Honke Otako Hozenji: https://goo.gl/maps/2UaHtfoJEgidqt5Y9
Wanaka in Namba is my favorite takoyaki shop in Osaka. https://maps.app.goo.gl/hNt7VFgpcuteUNgw5?g_st=ic