avaradar

 https://www.youtube.com/user/avaradar/videos

Half hanuman half ganesh

https://www.google.com/search?site=&tbm=isch&source=hp&biw=1600&bih=721&q=half+hanuman+half+ganesh
https://www.youtube.com/results?search_query=half+hanuman+half+ganesh

Common Offering of Laddu - Favourite of Both Deities
https://www.youtube.com/results?q=How+to+Make+Laddu

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Both Form Entrance of Most Swami Narayan Temples
http://n1r1.blogspot.com/

The idol is an amalgam of Sri vigneshwara and Sri Anjaneya on the lines of

Ardhanareeswara ( Shiva and Parvati) and 
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Sri Sankaranarayana (combination of Siva and narayana).
http://freeglobaluniversity.blogspot.com/search/label/FormFormlessGOD

Sri Vigneswara and Sri Anjaneya are only two deities who are totally free from any influence over them by the Navagrahas.

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Both could not identify their beloved ones at first meet.(ganesh-shiva)(hanuman-sri ram)
http://bu08.blogspot.com/search/label/HanumanGanesh