One thing I love about Xeno: even if he's all like 'the masses are dumb/I'm gonna rule over the world', he doesn't really look down on people less intelligent than him.
He's eager to assign the 'Doctor' title to whoever shows genuine interest in science. For example when he calls Suika 'Dr Suika'. She isn't a genius; she's just a normal girl. But she's very curious and wants to learn, and for Xeno that's enough.





