Being a long-running and popular franchise, there have been many rumors, misconceptions, and urban legends regarding fictional elements, production history, and gameplay elements within the Super Baxter franchise.
The Super Baxter and Super Mario Series are Similar
Each Characters from there repestive franchises had a similar look to each others appearance. As of with Both Baxter and Mario having only minor differences. Both having red and blue on, but one is yellow and one is brown on each hair color. In 2014, The Super Baxter franchise was infact "not-related with Mario".
Connections with Jack-O-Master and Hinotama Man.
A new theory poped up around November 1st about the huge resemblence between Jack-O-Master and Hinotama Man. In which both have a huge resemblence to each other.