Profile, Abilities and Weaknesses description is from The Transformers: More Than Meets The Eye, comic series published by Dreamwave Comics in 2003.

BIO Sky High is so large and powerful that many don't ever guess that his massive bulk hides an equally large intellect. Sky High's erratic behavior conl.inces many that he's composed entirely of brawn with no hint of brains, but he's actually just a bit of an eccentric. He's constantly creating imaginary situations for himself to escape the harsh and unforgil.ing reality of war, forging a fantasy wor1d where he's a great hero.
Unlike fellow Pretender Landmine, who also dreams of high adventure, Sky High becomes so immersed in his fantasies that he adapts everything thats really happening into them. Even when he's eagerly following orders and stomping through a row of Decepticons, he's mentally working his daydreams around it. 

WEAPONS/ABILITIES
Subject has above-average strength, speed and endurance as well as great intelligence.  His outer Pretender shell amplifies his strength considerably, making him very powerful.  In this mode he wields a sonic scythe capable of smashing molecular bonds.  Leg-mounted energy beams on the shell can target and burn out optical sensors, and Subject's multi-function utility belt also has plutonium-powered rocket boosters for flight capabilites.  In robot mode, he wields a cerebro circuit scrambling stun gun that also jams radio frequencies; this weapon is also useable in his long-range helicopter and Pretender shell modes.

WEAKNESSES 
Subject blatantly ignores reality, although he usually can incorporate following orders into his fantasy life. 

Bibliography of significant appearances:  Besides Landmine and Cloudburst most of the Autobot Pretenders made very few appearances in the Transformers Universe.
* (Marvel) Transformers #40 - Autobot Pretenders created by Scorponok Brainstorm and Highbrow.
* Sky High made a few non-significant appearances throughout the ~2007-08 IDW comic "-ation" series.

Other Appearances: