The dog logo was created with the awesome OS InkScape https://inkscape.org/. The dog portion (public domain) was copied from https://publicdomainvectors.org/en/free-clipart/Dog-icon-color/83181.html

The dog_park logo (CC BY-NC 4.0 Licence) was copied from https://flyclipart.com/icona-dog-training-filled-dog-png-icon-710714