Heres another ESC ref pic i've decided to put up which is computer genius and tech specialist Alex the chimp.

Name: Alex.

Age: 18

Height: 6ft 4 ( roughly about the same height as Simon)

Weight: 8stone 6.

I.Q: 300. 'hes really clever'

Special skills: Computer whizzkid, hacking, knows everything technical, inventor, lore specialist, plot hole explainer.

Tools of the trade: His 'supercomputer' he has specially built, it is so fast and powerful it makes the Batcomputer look crap..despite the frequent crashes.
His special work tools to help him build his inventions..He was planning to invent a machine that can bring people back from the dead but someone has beaten him to it.
His ancient book of lore in case the ESC meet up with something of mythic proportions or to help look up a type of Demon.

Characters to compare him to: Izzy of the Digidestined, Henrik of the IMP gang, Giles of the Buffy Gang, Egon of The Ghostbusters, Brains from Thunderbirds ect...ect..

Weaknesses: Is an absolute PC gamer nut, Loves playing online games with other people and wont get off the computer for hours.

If theres any other info i've left out I will update it. I hope you'll like it.